Open Source Android Apps
OpenBoard is a 100% foss keyboard based on AOSP, with no dependency on Google binaries, that respects your privacy.
Features:
- Spell correction
- Themes
- Emojis
This app is opensource, the code is available here: https://github.com/dslul/openboard
A free and open-source operating system for smartphones and tablet computers, based on the Android mobile platform. It is the successor to the highly popular custom ROM CyanogenMod, from which it was forked in December 2016 when Cyanogen Inc. announced it was discontinuing development and shut down the infrastructure behind the project. Since Cyanogen Inc. retained the rights to the Cyanogen name, the project rebranded its fork as LineageOS.
LineageOS was officially launched on December 24, 2016, with the source code available on GitHub. Since that time, LineageOS has been described as highly popular and forcibly developed; within 4 months from the initial announcement, LineageOS development builds covered more than 160 models of phone, and over a million users, having doubled its user base in the month February–March 2017.
Aurora Store is an unofficial, FOSS client to Google's Play Store with an elegant design. Not only does Aurora Store download, update, and search for apps like the Play Store, it also empowers the user with new features.
For those concerned with privacy, Aurora Store does not require Google's proprietary framework (spyware?) to operate; It works perfectly fine with or without GooglePlayService or MicroG. However, those still reliant on those services are welcome to use Aurora Store as well!
While Aurora Store was originally based on Sergei Yeriomin's Yalp store, v3.0 is a clean & complete rewrite from scratch that follows Material Design and runs on all devices running Android 5.0+.
Features
Free/Libre software -- Has GPLv3 licence
Beautiful design -- Built upon latest Material Design guidelines
Anonymous accounts -- You can log in and download with anonymous accounts so you don't have to use your own account
Personal Accounts -- You can download purchased apps or access your wishlist by using your own Google account
Exodus integration -- Instantly see trackers an app is hiding in its code
The camera is useable for both photo taking and video recording. You can switch between front and rear camera, the flash can be turned on and off, pinch to zoom in. While recording a video, the flash can be used as a flashlight. It allows you to limit the photo and video resolution.
If you want to launch this app at pressing the hardware camera button, you might have to disable the built in Camera app in Settings -> Apps -> Camera -> Disable.
Contains no ads or unnecessary permissions. It is fully opensource, provides a Dark theme too.
Tired of the abundance of phone cleaners on the play store? Tired of them being extremely shady? Tired of them doing nothing? Tired of having to pay? Me too.
There simply is way too many apps out there that claim to speed up you device. In reality, they don't do anything. LTE Cleaner only aims to clean your phone by removing safe to delete files. Which not only frees up a lot of space, But it also can improve your privacy. Since LTE Cleaners removes .log files, which well, log what you do.
LTE Cleaner is %100 free, open source, and deletes everything it claims too.
Cleans:
- Empty folders
- Logs
- Temporary files
- Caches (as much as possible)
- Advertisement folders
- "Corpse" files
Other features:
- Daily cleaning
- Clipboard cleaning
- Corpse file removal
- Duplicate detection (coming)
SnoopSnitch is an Android app that collects and analyzes mobile radio data to make you aware of your mobile network security and to warn you about threats like fake base stations (IMSI catchers), user tracking and over-the-air updates. With SnoopSnitch you can use the data collected in the GSM Security Map at gsmmap.org and contribute your own data to GSM Map.
This application currently only works on Android phones with a Qualcomm chipset and a stock Android ROM 4.1 or higher (or a suitable custom ROM with Qualcomm DIAG driver). It requires root priviliges to capture mobile network data.
SnoopSnitch uses data contributed by other users. By choosing to upload your measurements or security events, you can improve this data and support future research. SnoopSnitch will ask for confirmation whenever any information is uploaded to our servers. All uploads are encrypted.
This little application provides a way on scanning handwritten notes and printed documents. It automatically detects the edge of the paper over a contrasting surface.
If you have a RocketBook Wave notebook or home printed pages, it automatically detects the QR-code printed in the bottom right corner and scans the page immediately.
After the page is detected, it compensates any perspective from the image, adjusting it to a 90 degree top view, and saves it to a folder on the device.
It is also possible to launch the application from any other application that asks for a picture, just make sure that there is no default application associated with this action.
Android app making it possible to entirely freeze all background activities of any app.
- Get back control over what runs on your phone
- Enhance battery life and reduce mobile data usage by freezing rarely used apps
- Especially useful while you are on a tour, where you need only some apps but a long battery life
SuperFreezZ is not yet another task manager promising to delete 10 GB of data per month or making your device 2x as fast. This is impossible. Instead, SuperFreezZ is honest about its disadvantages: Freezing daily used apps probably drains your battery a little faster. Also, these apps will take longer to start when you use them the next time: SuperFreezZ will super freeze your apps, it takes about 1-3 seconds to defrost them. Greenify has the same disadvantages, except that the author of Greenify does not warn you about it. So: Just do not overdo it, and SuperFreezZ will be super useful.
Examples for apps that deserve to be frozen:
- Untrusted apps (that you do not want to run in the background)
- Apps you rarely use
- Annoying apps
Features:
- Optionally works without accessibility service as this slows down the device
- Can freeze only apps not used for a week (can be configured)
- Choose a white list (freeze all by standard) or a black list (do not freeze anything by standard)
- Can freeze apps when the screen goes off
- Options to freeze system apps and even SuperFreezZ itself
- Completely open source and free software
Flym News Reader is a light, modern, totally free (no ads) and opensource project which keeps you inform by fetching your websites/blogs and displaying them in a mobile-optimized way.
It is based on the "Sparse RSS" reader.
It DOES NOT synchronize with any online feed reader yet, if you need synchronization this app is not for you.
"Annoyed by all the ugly players packed with endless menus and features who distract you from what you want to do: listen to audiobooks? You just add your main audiobook folder and every folder in there will be recognised as a single book. That keeps your library simple and tidy. Here we go.
What it can: • Remembers last position • Adjust playback speed • Beautiful Material Design • Day & Night Theme. Don't hurt your eyes! • Bookmarks • Android Auto • Sleep-timer. You don't have to stop the player in the middle of the night.
Voice is free and Open Source. That means, everyone can see what it does. Minimal permissions, no tracking."
RedReader - An unofficial open source Reddit client for Android.
The free and open-sourced Authenticator replacement for 2FA in popular services.
This is based on the original FreeOTP.
It provides additional features:
- Back up the data to Google Drive or other storage
- Restore data from Google Drive or other storage
- Material design and updated UI.
- Android 6.0 on-demand permission support
- Android 6.0 backup support. After reinstalling, all your saved authentications will come back.
Shelter is a Free and Open-Source (FOSS) app that leverages the “Work Profile” feature of Android to provide an isolated space that you can install or clone apps into.
Shelter comes with absolutely no advertisement / statistics / tracking SDKs bundled with it. All source code is available in at https://git.angry.im/PeterCxy/Shelter or mirror https://github.com/PeterCxy/Shelter and the sources are licensed under WTFPL.
This app depends on your Android system’s implementation of Work Profile. Some vendor / custom ROMs may have a broken implementation that may cause crashes and even bricking of your device. One such example is MIUI from Xiaomi. I currently provide no support for such ROMs because I personally do not own any of these devices. If you are running Shelter on these ROMs, you are on your own. If any developer out there own these devices and could make Shelter run on these ROMs, please send pull requests and I’ll be happy to merge them.
Features / Use Cases
- Run apps inside the isolated profile so they cannot access your data outside the profile
- “Freeze” (disable) background-heavy or seldom-used apps when you don’t need them. This is especially true if you use apps from "some company".
- Clone apps to use two accounts on one device
Caveats
Shelter is not a full sandbox implementation. It cannot protect you from:
- Security bugs of the Android system or Linux kernel
- Backdoors installed in your Android system (so please use an open-source ROM if you are concerned about this)
- Backdoors installed into the firmwares (no way to work around this)
- Any other bugs or limitations imposed by the Android system.
Also, Shelter cannot create more than 1 work profile on one Android device, and cannot co-exist with any other apps that manages a Work Profile. This is due to the limitations of the Android system, and I can do nothing about this.
What is “Island” “Island” is a sandbox environment to clone selected apps and isolate them from accessing your personal data outside the sandbox (including call logs, contacts, photos and etc) even if related permissions are granted. Device-bound data (SMS, IMEI and etc) is still accessible.
Isolated app can be frozen on demand, with launcher icon vanish and its background behaviors completely blocked.
How does it work Island takes advantage of the “managed profile” feature on Android 5.0+, which is also the base of “Android for Work”, to create an isolated sandbox for apps with their data.
App needs to be cloned in Island first. Afterwards, the clone can run parallel aside from the original one. (even with different accounts signed-in) It can be frozen on demand by Island. (NO ROOT REQUIRED)
If Greenify is also installed, apps can be frozen automatically by “Auto-freeze with Greenify” action (in the overflow menu), just like normal app hibernation in Greenify.
Scan barcodes on CDs, books, and other products, then look up prices and reviews, or search for a word in a book and find where it occurs. You can also scan QR Codes containing URLs, contact info, calendar events, and more.
Magisk is the Universal Systemless Interface, to create an altered mask of the system without changing the system itself.
Features
- 100% fully open source and easy to build!
- Magic Mount: Allow you to do any system (vendor) modification without actually tampering the partitions. Anything can be loaded with Magisk systemless-ly!
- MagiskSU: Open Source Root Solution Root your device with MagiskSU, based on phh's Superuser, which is based on CM Superuser.
- Magisk Manager: MagiskSU Root Management, Upgrade Magisk, Manage MagiskHide lists Manage, Upgrade, Download, Install Magisk Modules from the community driven online Magisk Module Repo.
- MagiskHide: Hide Magisk from detections: Google SafetyNet, enterprise / bank system integrity checks, game tamper checks etc.
- Resetprop: Allow you to do any modifications to system properties, including read-only props. This is also used along with magiskhide to trick various device status sent from the bootloader
- Miscellaneous: (Optional) Remove AVB 2.0, dm-verity, forceencrypt. Unlock partitions blocks to support remount to rw
Pixelsque's goal is to be as simple as possible, while still retaining many powerful features. It works like any standard pixel art editor, with a pen, eraser, and shapes. Pinch zoom and two finger drag can be used to move around the image from anywhere. Lesser-used functions such as save/open/new, and others can be found in the menu, saving valuble screen space on phones, and allowing easy access on tablets. It fully supports all Android devices from low-end phones to high-end tablets.
Bitwarden is the easiest and safest way to store all of your logins and passwords while conveniently keeping them synced between all of your devices.
Password theft is a serious problem. The websites and apps that you use are under attack every day. Security breaches occur and your passwords are stolen. When you reuse the same passwords across apps and websites hackers can easily access your email, bank, and other important accounts.
Security experts recommend that you use a different, randomly generated password for every account that you create. But how do you manage all those passwords? Bitwarden makes it easy for you to create, store, and access your passwords.
Bitwarden stores all of your logins in an encrypted vault that syncs across all of your devices. Since it's fully encrypted before it ever leaves your device, only you have access to your data. Not even the team at Bitwarden can read your data, even if we wanted to. Your data is sealed with AES-256 bit encryption, salted hashing, and PBKDF2 SHA-256.
Bitwarden is 100% open source software. The source code for Bitwarden is hosted on GitHub and everyone is free to review, audit, and contribute to the Bitwarden codebase.
Remember when text messaging was like magic?
QKSMS brings a refreshingly beautiful and responsive Material Design touch to the stale state of text messaging. In a world with clunky SMS and MMS apps cluttered with bloat and ads, QKSMS is something to get excited about. We’re making texting magical again.
QKSMS is also fully open source!
Here’s why we think you’ll love it • Material Design: And lots of it. QKSMS is the most beautiful text messenger available • Themes: And nearly 200 of them available. Each one, hand picked by Google in the Material Design guidelines • Night Mode: Like to have dark themes? So do we. Control it yourself, or turn on Automatic Night Mode and have night mode turned on automatically when it's dark out. • Customization: It's your app. Make it yours! • QK Reply: Reply to messages without having to leave what you're doing • Group Messaging: So tell all your friends! • MMS: For when words just aren't enough • Delayed Messaging: Give yourself a second, make sure you said what you wanted to say! • Android Wear: Full support for Android Wear, including customizable quick responses! • Search: You care about your messages, so you should be able to find them. Now you can • Security: QKSMS is protected against the Stagefright MMS exploit on Android • Completely free: We also don't want to make you have to pay for extra features! • Anything else you want: We work on QKSMS every single day, and we're always looking for feedback. Let us know if you have any suggestions!
If you'd like to view the source code, leave bug reports, or feature suggestions, visit https://github.com/qklabs/qksms
Mycroft is the world’s first open source assistant. Mycroft runs anywhere – on a desktop computer, inside an automobile, or on a Raspberry Pi. This is open source software which can be freely remixed, extended, and improved. Mycroft may be used in anything from a science project to an enterprise software application. Mycroft is an open source voice assistant that can be extended and expanded to the limits of your imagination. Want Mycroft to do something new? Teach Mycroft a skill, share it, and improve the experience for tens of thousands of people all over the world.
The F-Droid Repository is an easily-installable catalogue of free and open source apps for Android. With F-Droid, it's easy to browse and install apps on your device, and keep track of updates. You can also browse the repository with a web browser, and download the app directly from there, if you can’t or don’t want to run the F-Droid client on your device.
All applications in the default repository must be Free and Open Source software – for example, released under a GPL or Apache license. Every effort is made to verify that this is actually the case, both by visual inspection of the source, and by building the application from the published source.
Software that reports user activity without permission (e.g. via Google Analytics) or tracks user behaviour (e.g. most advertising platforms) is specifically excluded from FDroid’s own repository, as is software with the primary purpose of interacting with a non-Free network service. You are, of course, free to set up your own repository for this kind of software – the server source is available, and the client will allow addition or removal of repositories as you see fit.
F-Droid originated as a fork of Aptoide. F-Droid can be installed from its website or from within Aptoide, but it is not available for download in Google Market.
Yalp Store lets you download apps from Google Play Store as apk files. It can search for updates of installed apps and lets you search for other apps. Yalp saves downloaded apks to your default download folder. Other features include browsing categories, viewing and leaving reviews, black/white-listing apps for updates, filtering apps by being free/paid and containing/not containing ads.
To supplement the features related to Google Play, Yalp Store has ordinary package manager features: listing, running, installing and uninstalling local apps.
If root is available, Yalp Store can update your apps in background, install and uninstall system apps.
By default Yalp Store connects to Google services using a built-in account, so you do not have to own a Google account to use it. The only reason to use a live Google account is to access the paid apps you own.
NewPipe is a lightweight YouTube front-end for Android. Also YouTube Music . Beta support for SoundCloud , Bandcamp , and PeerTube etc. It's FLOSS (Open source).
No YouTube account required. It doesn't need the YouTube API or any Google Play Services, as NewPipe only parses the YouTube in order to gain the information. Therefore this app can be used on devices without Google Services installed. NewPipe Extractor is used by other apps for this purpose.
NewPipe Legacy (Android 4.1+) version available on website.
Features
- Search videos
- Display general information about a video
- Watch videos at resolutions up to 4K
- Listen to audio in the background, only loading the audio stream to save data
- Popup mode (floating player, aka Picture-in-Picture)
- Watch live streams
- Show/hide subtitles/closed captions
- Search videos and audios (on YouTube, you can specify the content language as well)
- Enqueue videos (and optionally save them as local playlists)
- Show/hide general information about videos (such as description and tags)
- Show/hide next/related videos
- Show/hide comments
- Search videos, audios, channels, playlists and albums
- Browse videos and audios within a channel
- Subscribe to channels (yes, without logging into any account!)
- Get notifications about new videos from channels you're subscribed to
- Create and edit channel groups (for easier browsing and management)
- Browse video feeds generated from your channel groups
- View and search your watch history
- Search and watch playlists (these are remote playlists, which means they're fetched from the service you're browsing)
- Create and edit local playlists (these are created and saved within the app, and have nothing to do with any service)
- Download videos/audios/subtitles (closed captions)
- Open in Kodi
- Watch/Block age-restricted material
Supported Services
- YouTube & YouTube Music - one of the most popular video and live streaming platforms, including music, news, gaming and much more. Best supported out of the five.
- PeerTube - a decentralized video platform. Any PeerTube instance can be added to NewPipe.
- SoundCloud - a streaming platform for music.
- Bandcamp - an artist-friendly platform for sharing music. It offers user-friendly DRM-free downloads.
- media.ccc.de - the video archive and live streaming platform of the German hacker and information security activist group Chaos Computer Club.
SkyTube is an alternative, free, open-source YouTube application for Android. It allows you to use YouTube comfortably without the need for Google/YouTube account and hence this app only offers read-only access to YouTube.
VIDEO BLOCKER Unwanted videos can now be blocked! Supports channel blacklisting/whitelisting, language filtering, low viewed/high disliked video blocking etc.
INNOVATIVE DESIGN Contains novelty features such as most popular videos, video and thumbnail downloader, video reload, video rating on thumbnail and more to come!
NO ADS YouTube ads are now a thing of the past.
Google Apps-Free SkyTube is not dependent on the GAPPS/Google Apps (i.e. YouTube official app).
Bromite is a Chromium fork with support for ad blocking and enhanced privacy.
Bromite aims at providing a no-clutter browsing experience without privacy-invasive features and with the addition of a fast ad-blocking engine. Minimal UI changes are applied to help curbing the idea of "browser as an advertisement platform".
Bromite is only available for Android Marshmallow (v6.0, API level 23) and above.
What is it?
KISS is a fast launcher for your Android.
Search through your apps, contacts and settings lightning fast. No more time spent trying to find the app you want to launch: enter a few characters of the name and hit enter. Need to call someone? Don't meddle with the call log, just give three letters of their name and push the "phone" button.
KISS becomes smarter and smarter as you use it, pushing forward results you're more likely to select.
Get ready to be amazed.
This an open source Android launcher project, started from scratch. We aim to create a powerful and community driven Android launcher.
Ready to go. Termux works directly with no rooting or setup required. At first start a minimal base system is installed automatically - you decide what to do next.
Powerful. Combine the flexibility and power of command-line tools - monitor multiple remote servers over SSH by tailing log files in tmux, sync dotfiles with git and encrypt secrets with gpg.
Feature packed. Take your pick between bash or zsh and nano or vim. Grep through your SMS inbox and use curl to upload backups of your contact list into the cloud.
Customizable. Install what you want through the Apt package management system known from Debian and Ubuntu GNU/Linux, which also takes care of keeping installed packages updated.
Explore. Have you ever sat on a bus and thought about exactly which arguments tar accepts? Packages available in Termux are the same as those on Mac and Linux - install man pages on your phone and read them in one session while experimenting with them in another.
Batteries included. Can you imagine a more powerful yet elegant pocket calculator than a readline-powered python console? Up-to-date versions of perl, python, ruby and node.js are all available.
Scale up. Connect a bluetooth keyboard and hook up your device to an external display if you need to - Termux supports keyboard shortcuts and has full mouse support.
Develop. Develop by compiling C files with clang or gcc and build your own projects with makefiles or cmake. Both gdb and strace are available if you get stuck and need to debug.
ConnectBot is a Secure Shell client for the Android platform. Its ultimate goal is to create a secure connection through which you can use a shell on a remote machine and transfer files back and forth to your phone.
Cryptonite brings EncFS and TrueCrypt to Android. You can browse, export and open EncFS-encrypted directories and files on your Dropbox and on your phone. On rooted phones that support FUSE (e.g. CyanogenMod) you can also mount EncFS and TrueCrypt volumes. TrueCrypt is only available as a command-line version at this time.
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor. The notes are in Markdown format.
Notes exported from Evernote via .enex files can be imported into Joplin, including the formatted content (which is converted to Markdown), resources (images, attachments, etc.) and complete metadata (geolocation, updated time, created time, etc.). Plain Markdown files can also be imported.
The notes can be synchronised with various cloud services including Nextcloud, Dropbox, OneDrive, WebDAV, their own service (paid) or the file system (for example with a network directory). When synchronising the notes, notebooks, tags and other metadata are saved to plain text files which can be easily inspected, backed up and moved around.
The application is available for Windows, Linux, macOS, Android and iOS. A Web Clipper, to save web pages and screenshots from your browser, is also available for Firefox and Chrome.
Features:
- Desktop, mobile and terminal applications.
- Web Clipper for Firefox and Chrome.
- End To End Encryption (E2EE)
- Synchronisation with various services, including NextCloud, Dropbox, WebDAV and OneDrive.
- Import Enex files (Evernote export format) and Markdown files.
- Export JEX files (Joplin Export format) and raw files.
- Support for to-dos and tags
- Support for notifications in mobile and desktop applications.
- Offline first, so the entire data is always available on the device even without an internet connection.
- Markdown notes. Support for extra features such as math notation, checkboxes and Fountain (screenwriting markup language).
- File attachment support, images, etc.
- Search functionality.
- Geo-location support.
- Supports multiple languages
- External editor support - open notes in your favorite external editor with one click in Joplin.
Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.
Swiss Based ProtonMail is incorporated in Switzerland and our servers are located in Switzerland. We are outside of US and EU jurisdiction and all user data is protected by strict Swiss privacy laws.
Zero Access Because of our end-to-end encryption, your data is already encrypted by the time it reaches our servers. We have no access to your messages, and since we cannot decrypt them, we cannot share them with third parties.
Backwards Compatible ProtonMail works out of any modern web browser, there is nothing to install. We are also backwards compatible with other email providers so you can continue sending and receiving emails from friends who are not using ProtonMail.
Forever Free We believe privacy is a fundamental human right and should be available for everyone. That's why we offer multi-tiered pricing including a free version that anyone can use. Let's bring privacy back to the people!
Fully Anonymous We do not log IP addresses or require any personal information to sign up. We accept bitcoin and cash payments for paid accounts to ensure even paid account users have complete privacy.
Cross Platform ProtonMail works on all devices, including desktops, laptops, tablets, and smartphones. It's as simple as visiting our site and logging in. There are no plugins or apps to install - simply use your favorite web browser.
K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.
FBReader is an e-book reader for various platforms.
Features:
Supported e-book formats are: ePub, an international e-publishing standard. fb2, a Russian e-books standard de facto. Non-DRM'd version of Mobipocket, a popular commercial e-book format (http://alternativeto.net/software/mobipocket-ebook-reader/). plain text is supported, however FBReader might not always correctly split text into paragraphs. some subsets of RTF and MS Word Doc.
Direct reading from tar, zip, gzip and bzip2 archives. (Multiple books in one archive are supported.) Automatic library building. Automatic language and character encoding detection is supported. Automatically generated contents table. Embedded images support. Footnotes/hyperlinks support. Position indicator. Keeps the last open book and the last read positions for all opened books between runs. List of last opened books. Automatic hyphenations. Liang's algorithm is used. The same algorithm is used in TeX, and TeX hyphenation patterns are used in FBReader. Patterns for Czech, English, Esperanto, Finnish, French, German, Italian, Norwegian, Portuguese, Russian, Spanish, Swedish and Ukrainian are included in the current version. Text search. Full-screen mode. Screen rotation by 90, 180 and 270 degrees.
Currently FBReader works on
Linux desktop. Windows XP/Vista computer. MacOS X (port of Stanislav Gobunov). FreeBSD computer. Various linux-based mobile devices: Sharp Zaurus with Qtopia-based ROMs, pdaXrom or OpenZaurus ROM. Archos PMA430. Siemens Simpad with Opensimpad 0.9.0/Opie ROM. Nokia 770/N800/N810 Internet Tablets (maemo). PepperPad 3 handheld web computer. Motorola A1200 smartphone. Motorola E680i/A780 smartphones. (This port is available from the third-party site.) IRex iLiad. (This port is available from the third-party site.)
LibreOffice is a free and open-source office suite that is compatible with other major office suites, and is available on all operating systems. It is an independently-developed version of the OpenOffice.org suite.
The office suite includes:
LibreOffice - Writer, a word processor with similar functionality and file support to Microsoft Word . It has extensive WYSIWYG word processing capabilities, but can also be used as a basic text editor.
LibreOffice - Calc , a spreadsheet program, similar to Microsoft Office Excel . It has a number of unique features, including a system which automatically defines series of graphs, based on information available to the user.
LibreOffice - Impress , a presentation program resembling Microsoft Powerpoint . Presentations can be exported as SWF files, allowing them to be viewed on any computer with Adobe Flash installed.
LibreOffice - Draw , a vector graphics editor and diagramming tool similar to Microsoft Office Visio . It provides connectors between shapes, which are available in a range of line styles and facilitate building drawings such as flowcharts. It also includes features similar to desktop publishing software such as Scribus and Microsoft Office Publisher .
LibreOffice - Math , an application designed for creating and editing mathematical formulae. LibreOffice - Base , a database management program, similar to Microsoft Office Access .
Ultra-small, ultra-fast, exceptional PDF rendering solution.
MuPDF is a highly versatile, customizable PDF, XPS, and eBook interpreter solution that can be used across a wide range of applications as a PDF renderer, viewer, or toolkit. A few of our interactive features include digital signatures, PDF redactions, form filling, annotations, and page manipulation.
The MuPDF SDK is designed for easy implementation and immediate productivity for developers, making it a perfect fit for mobile browsers, eBooks, and embedded applications where speed and quality are key. MuPDF supports the widest range of document input and output formats in today's market.
There are several versions of MuPDF consisting of a software library, command-line tools, and viewers for various platforms. The viewers can be downloaded from Google Play and the App Store. The SDK can be licensed from Artifex for commercial use or under the AGPL for open source use.
MuPDF runs on a wide range of operating systems including Android, iOS, Windows, macOS, Linux, and Unix-like systems. We added language bindings for Java, C++, and Python, as well as Web Viewers powered by WebAssembly.
LibreTorrent is a Free as in Freedom torrent client for Android, based on libtorrent. Download and share files directly on your device.
Implemented features:
- DHT, PeX, encryption, LSD, UPnP, NAT-PMP, µTP
- IP filtering (eMule dat and PeerGuardian)
- Ability to fine tune (network settings, power management, battery control, UI settings, etc.)
- Supports torrents with large number of files and big files
- HTTP\S and magnet links support
- Tor support (using Orbot)
- Support proxy for trackers and peers
- Ability to move files while downloading
- Ability to automatic movement of files to another directory or to an external drive at the end of download
- Ability to specify file and folder priorities
- Ability to select which files to download
- Ability to download sequentially
- Material Design
- Tablet optimized UI
Orbot is a freely licensed open-source application developed for the Android platform. It acts as a front-end to the Tor binary application, and also provides an HTTP Proxy for connecting web browsers and other HTTP client applications into the Tor SOCKS interface.
Orbot is a component of the Guardian Project, an effort to develop a secure, anonymous smartphone for use by human rights activists, journalists and others around the world. Learn more: https://guardianproject.info/
Tor protects your privacy on the internet by hiding the connection between your Internet address and the services you use. We believe Tor is reasonably secure, but please ensure you read the instructions and configure it properly. Learn more at https://torproject.org/
Tor Frequently Asked Questions: https://support.torproject.org/faq/
Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app.
Import/Export Rules to external storage Search Applications Multiple profiles with custom names Highlights system applications with custom color Notify on new installations VPN Support Device Admin support to protect against being uninstalled
Requires root: Yes. iptables must run as root.
Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy. It is an Android application that leverages on-device sensors to provide monitoring and protection of physical spaces. Haven turns any Android phone into a motion, sound, vibration and light detector, watching for unexpected guests and unwanted intruders. We designed Haven for investigative journalists, human rights defenders, and people at risk of forced disappearance to create a new kind of herd immunity. By combining the array of sensors found in any smartphone, with the world’s most secure communications technologies, like Signal and Tor, Haven prevents the worst kind of people from silencing citizens without getting caught in the act.
Safety through Sensors
Haven only saves images and sound when triggered by motion or volume, and stores everything locally on the device. You can position the device’s camera to capture visible motion, or set your phone somewhere discreet to just listen for noises. Get secure notifications of intrusion events instantly and access the logs remotely or anytime later.
The follow sensors are monitored for a measurable change, and then recorded to an event log on the device: • Accelerometer: phone’s motion and vibration • Camera: motion in the phone’s visible surroundings from front or back camera • Microphone: noises in the enviroment • Light: change in light from ambient light sensor • Power: detect device being unplugged or power loss
OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you send them to, others can send you messages that only you can read, and these messages can be digitally signed so the people getting them are sure who sent them. OpenKeychain is based on the well established OpenPGP standard making encryption compatible across your devices and operating systems.
Modern encryption is based on digital “keys”. OpenKeychain stores and manages your keys, and those of the people you communicate with, on your Android. It also helps you find others’ keys online, and interchange keys by touching devices. But its most frequent use is in using those keys to encrypt and decrypt messages.
An ad blocker that uses the hosts file. The hosts file contains a list of mappings between hostnames and IP addresses. When an app requests an ad, that request is directed to 127.0.0.1 which does nothing. There are options to run a web server to respond to blocked hostnames and to direct requests to the IP address of your choosing. You can automatically download hosts files from the app but it is possible to use your own and to add certain sites to the white- and black-lists.
AntennaPod gives you access to millions of free and paid podcasts, from independent podcasters to large publishing houses such as the BBC, NPR and CNN. Add, import and export their feeds hassle-free using the iTunes podcast database, OPML files or simple RSS URLs. Save effort, battery power and mobile data usage with powerful automation controls for downloading episodes (filtering episodes, specify times, intervals and WiFi networks) and deleting episodes (based your favourites and delay settings).
But most importantly: Download, stream or queue episodes and enjoy them the way you like with adjustable playback speeds, chapter support and a sleep timer. You can even show your love to the content creators with our Flattr integration.
Made by podcast-enthousiast, AntennaPod is free in all senses of the word: open source, no costs, no ads.
All features:
IMPORT, ORGANIZE AND PLAY • Add and import feeds via the iTunes and gPodder.net directories, OPML files and RSS or Atom links • Manage playback from anywhere: homescreen widget, system notification and earplug and bluetooth controls • Enjoy listening your way with adjustable playback speed, chapter support, remembered playback position and an advanced sleep timer • Access password-protected feeds and episodes • Take advantage of paged feeds (www.podlove.org/paged-feeds)
KEEP TRACK, SHARE & APPRECIATE • Mark episodes as favourite • Share episodes and feeds through advanced social media and email options, the gPodder.net services and via OPML export • Support content creators with Flattr integration including automatic flattring
CONTROL THE SYSTEM • Take control over automated downloading: choose feeds, exclude mobile networks, select specific WiFi networks, require the phone to be charging and set times or intervals • Manage storage by setting the amount of cached episodes, smart deletion and selecting your preferred download location • Back-up your subscriptions with the gPodder.net integration and OPML export
Slide for Reddit is a rock-solid material-designed unofficial browser for Reddit with an easy to use UI and tons of customization. Slide is ad-free, open source, and is packed with many unique features!
Major features • Browse Slide fully offline! There is no longer a need to have an offline browser installed • Subreddit colors (make each sub unique!) • 12,000 theme combinations, make Slide truly unique! • View images, gifs, albums, Vid.me, Streamable, Gyfcat, and Imgur links in the app • Support for Live Threads • Full moderation suite • Reply to comments and submissions inline, and upload images straight to your submissions/comments • Filters support (link, text, title, and subreddit) • Edit and create Multireddits • Four view modes: View huge cards with images or super-compact desktop mode for power users! • Data-saving options with quality selection • Synccit integration • Ad-Block in websites (Pro) • Paging Shadowbox and vertical Gallery view modes (Pro)
Transportr is the public transport companion that respects your privacy and your freedom. Transportr is a non-profit app developed by people around the world to make using public transport as easy as possible wherever you are. Currently, it works best in Europe, but also supports many places world-wide. If you live in an unsupported area, consider adding it to Transportr. It finds directions from your home, your current position or a given station to wherever you want to go. You can also save entire trips as favorites and find next trips with one click. Discover nearby stations and show upcoming departures including the delays (if there are any).
OsmAnd is a map and navigation application with access to the free, worldwide, and high-quality OpenStreetMap data. Enjoy voice and optical navigator, viewing POIs (points of interest), creating and managing GPX tracks, using contour lines visualization and altitude info (through plugin), a choice between driving, cycling, pedestrian modes, OSM editing and much more.
Navigation • Works online (fast) or offline (no roaming charges when you are abroad) • Turn-by-turn voice guidance (recorded and synthesized voices) • Optional lane guidance, street name display, and estimated time of arrival • Supports intermediate points on your itinerary • Automatic re-routing whenever you deviate from the route • Search for places by address, by type (e.g.: restaurant, hotel, gas station, museum), or by geographical coordinates
Map Viewing • Display your position and orientation • Optionally align the picture according to compass or your direction of motion • Save your most important places as Favorites • Display POIs (point of interests) around you • Display specialized online tiles, satellite view (from Bing), different overlays like touring/navigation GPX tracks and additional layers with customizable transparency • Optionally display place names in English, local, or phonetic spelling
OSM Data • High-quality information from the best collaborative projects of the world • OSM data available per country or region • Compact offline vector maps updated at least once a month
Safety Features • Optional automated day/night view switching • Optional speed limit display, with reminder if you exceed it • Optional speed-dependent zooming • Share your location so that your friends can find you
MAPS.ME offers the quickest offline maps of all the countries of the world. Travel with full confidence: wherever you are, MAPS.ME addresses all your offline mapping needs.
Need a map of London or a map of New York? A map of Paris or Rome? Any country, any place, from the largest cities to small villages, in MAPS.ME!
ROUTING AVAILABLE — Receive directions to a specific location. — Use it anywhere in the world… e.g. Paris, New York, Hong Kong. — Never get lost again.
WORKS EVERYWHERE — Useful at home and essential for travel. Download any map for free. — 345 countries and islands. Everywhere is covered. — Excellent for winter holidays! All stations and ski slopes included.
HIGHLY DETAILED — More details than on any other map. — Millions of points-of-interest (POIs) to discover: restaurants, tourist destinations, gas/petrol stations, ATM machines and more. — Up-to-date map data, added daily by map users worldwide – www.openstreetmap.org
NO INTERNET NEEDED — Maps work when no internet connection is available. — No roaming charges when travelling abroad. — Always know where you are.
INCREDIBLY FAST — One of the fastest maps ever. Displays map when others don’t. Innovative map data compression. — Maps are remarkably small. Save memory on your device.
FEATURES — Walking directions. Find the shortest and most accurate way to your destination. Discover the world on foot! — Bookmarks of places. Create and import/export from other maps for convenient access anytime. KML/KMZ files are supported. — Offline search. Locate everything you need on the map. — Location-sharing. Send a pin of any place on the map via email or SMS. — Auto-follow mode. When enabled, the map automatically orients itself to the direction you are moving.
Using Signal, you can communicate instantly with your relatives without making a compromise on privacy or security. Make video calls, send messages, pictures, videos, documents, voice recordings, GIFs, contacts & location, create groups so that you can chat in real time with all your friends at once and react to their messages with emojis -all with complete privacy-. Signal servers never have access to any of your communications and never store any of your data.
- Say Anything - Share text, voice messages, photos, videos, GIFs and files for free. Signal uses your phone's data connection so you can avoid SMS (No longer supports SMS or MMS) and MMS fees.
- Speak Freely - Make crystal-clear voice and video calls to people who live across town, or across the ocean, with no long-distance charges.
- Make Privacy Stick - Add a new layer of expression to your conversations with encrypted stickers. You can also create and share your own sticker packs.
- Get Together with Groups - Group chats make it easy to stay connected to your family, friends, and coworkers.
- No ads. No trackers. No kidding. - There are no ads, no affiliate marketers, and no creepy tracking in Signal. So focus on sharing the moments that matter with the people who matter to you.
- Remain Connected - Push notifications let you know when new messages have arrived, and they'll be waiting for you even if your battery dies or you temporarily lose service.
- View Source - All of our code is free, open, and available on GitHub (https://github.com/signalapp).
- Join Movements - Technology developed by Open Whisper Systems is trusted and used by millions of people around the world every day.
Tachiyomi is a free and open-source manga reader for Android 6.0 and above.
Features include:
- Online reading from sources such as MangaDex, MangaSee, Mangakakalot, and more
- Local reading of downloaded manga
- A configurable reader with multiple viewers, reading directions and other settings.
- MyAnimeList, AniList, Kitsu, Shikimori, and Bangumi support
- Categories to organize your library
- Light and dark themes
- Schedule updating your library for new chapters
- Create backups locally to read offline or to your desired cloud service
Financius is a simple application that helps you log and track your expenses and keep an eye on your balance.
Features: • Overview screen provides most relevant information at a glance. • Multiple money accounts. • Multiple currencies. • Add expense, income, and transfers between accounts. • Customize your categories. • Add tags to your transactions. • Change periods for reports. • Backup your data to your device or Google Drive™. • Material design. • Ad free.
