• Raspberry Pi icon
  • Libreboot icon
  • GrapheneOS icon
  • Debian icon
  • Arch Linux icon
  • +93

Best open source apps

IdentityTheftIdentityTheft98 appsUpdated
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  1. Briar icon
     Like

    Censorship-resistant peer-to-peer messaging that bypasses centralized servers. Connect via Bluetooth, Wi-Fi or Tor, with privacy built-in.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    • Flatpak
    • Flathub
    • Android
    • F-Droid
    • OpenAPK
    Briar screenshot 1
    Briar screenshot 1
    Briar screenshot 2
    +4
    Briar screenshot 3
  2. Session icon
     Like

    Decentralized messenger with end-to-end encryption, no registration, no tracking, metadata protection, secure file sharing, and multi-device syncing.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    • Flatpak
    • Flathub
    • Snapcraft
    • AppImage
    • iPhone
    • iPad
    • Android
    • Android Tablet
    • F-Droid
    • OpenAPK
    • HUAWEI AppGallery
    Session screenshot 1
    Session screenshot 2
    Session screenshot 3
  3. Equibop icon
     Like

    Equibop is a cross-platform Vesktop icon Vesktop fork desktop app. It enhances the Discord experience by offering additional plugins and maintaining optimal performance. Equibop includes pre-installed Equicord, which aids in its responsiveness.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    Equicord settings page and about window open
    A dialog showing screenshare options
    A screenshot of a Discord server
  4. Vesktop icon
     Like

    Tailored Discord app enhancing performance and Linux compatibility, offering efficient experience with pre-installed Vencord and data security.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    • Flatpak
    • Flathub
    • AppImage
    Main chat window
    Integrated Vencord plugin settings

Emails

  1. Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Snapcraft
    • Flathub
    • OpenAPK
    • Tor
    Proton Mail screenshot 1
    Proton Mail screenshot 1
    Proton Mail screenshot 2
    +9
    Proton Mail screenshot 3
  2. Tuta Mail icon
     Like

    Tuta is an all-in-one email, calendar and contacts app which protects your data with full end-to-end encryption and it requires zero personal information. Tuta is built with open source software so you can inspect every piece of code running on your devices so you can be sure...

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • F-Droid
    • OpenAPK
    • Thunderbird
    Tuta Mail screenshot 1
    Tuta Mail screenshot 2
    Tuta Mail screenshot 3
  3. Open source solution to protect your personal email address. Generous free plan with uncapped bandwidth and infinite sends/replies, self-hostable, lot of powerful features, open roadmap, you can count on SimpleLogin to guard your email inbox.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Edge
    • Google Chrome
    • Safari
    • F-Droid
    • Mozilla Firefox
    Open source solution to protect your email address.
    Create alias quickly with SimpleLogin Chrome & Firefox extension.
    Alias management dashboard.
    +1
    Visualize all emails sent to or replied from an alias.

Browsers

  1. LibreWolf icon
     Like

    This project is a custom and independent version of Mozilla Firefox icon Mozilla Firefox, with the primary goals of privacy, security and user freedom.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Chocolatey
    • Mac
    • Homebrew
    • Linux
    • Flatpak
    • Flathub
    • AppImage
    • Arch Linux
    • Debian
    • Fedora
    • Gentoo
    • openSUSE
    • OpenBSD
    Homeage
    Settings
  2. Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • HUAWEI AppGallery
    • iPad
    • AppImageHub
    • Snapcraft
    • Linux Mobile
    • Flathub
    • Samsung Galaxy Store
    • PortableApps.com
    • Haiku
    • Flatpak
    • Homebrew
    • Chocolatey
    • Gecko
    • F-Droid
    More protection from the start
    Firefox Desktop (Light Theme)
    Firefox Desktop (Dark Theme)
    +8
    Firefox iOS (Light Theme)

Browser extensions

  1. uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker. It blocks ads, trackers, coin miners, popups, annoying anti-blockers, malware sites, etc., by default using EasyList, EasyPrivacy, Peter Lowe's Blocklist, Online Malicious URL Blocklist, and uBO...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Thunderbird
    • Opera
    • Node.JS
    • Mozilla Firefox
    uBlock Origin screenshot 1
    uBlock Origin screenshot 1
    uBlock Origin screenshot 2
    +3
    uBlock Origin screenshot 3
  2. SponsorBlock is an open-source crowdsourced browser extension to skip sponsor segments in YouTube videos. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    • Safari
    SponsorBlock screenshot 1
    SponsorBlock screenshot 1
  3. Enables private, separate browsing sessions with isolated cookies and storage, allowing multiple account sign-ins, unique container settings, and privacy benefits.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Mozilla Firefox
    Firefox Multi-account Containers screenshot 1
    Firefox Multi-account Containers screenshot 1
    Firefox Multi-account Containers screenshot 2
  4. This extension helps you control more of your web activity from Facebook by isolating your identity into a separate container.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Facebook
    • Mozilla Firefox
    Facebook Container screenshot 1
  5. This eye-care extension enables night mode creating dark themes for websites on the fly. Dark Reader inverts bright colors making them high contrast and easy to read at night.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • iPhone
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Thunderbird
    • Mozilla Firefox
    Dark Reader screenshot 1
    Dark Reader screenshot 1
    Dark Reader screenshot 2
    +1
    Dark Reader screenshot 3

Desktop apps

  1. DWService icon
     Like

    DWService is a half (only the client/agent) open source project which offers a service that allows access to remote systems (Windows, Mac, Linux, Raspberry...) using a standard web browser - without any component required on the client side.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Raspberry Pi
    It allows you to fully control the remote system by displaying its screen and allowing cursor control and keyboard input
    It allows you to fully access the file system of the remote system
    It allows you to monitor the status of the remote system
    +5
    It allows you to start a terminal session on the remote system.
  2. 7-Zip icon
     Like

    Efficient file archiver offering superior compression and encryption. Supports multiple formats such as TAR, ZIP, with a unique self-extracting feature.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • ReactOS
    • Arch Linux
    Main Window
    Add to Archive
    Options
  3. A tool to change and program the mapping of your input device buttons.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    Input Remapper screenshot 1
    Input Remapper screenshot 1
    Input Remapper screenshot 2
    +1
    Input Remapper screenshot 3
  4. Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Windows Mobile
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • HUAWEI AppGallery
    • iPad
    • AppImageHub
    • Apple Watch
    • Snapcraft
    • Google Chrome
    • Apple TV
    • Flathub
    • PortableApps.com
    • F-Droid
    • Kindle Fire
    • Haiku
    • Android TV
    • OpenAPK
    • Homebrew
    • Chocolatey
    • Xbox
    • Android Auto
    VLC Media Player screenshot 1
    VLC Media Player screenshot 1
    VLC Media Player screenshot 2
    +4
    VLC Media Player screenshot 3
  5. SMPlayer icon
     Like

    SMPlayer intends to be a complete front-end for MPlayer, from basic features like playing videos, DVDs, and VCDs to more advanced features like support for MPlayer filters and more. SMPlayer remembers the settings of all files you play.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • mpv
    • Snapcraft
    • PortableApps.com
    • Haiku
    • MPlayer
    • Flathub
    • Homebrew
    Playing video - Default Skin
    Main Window - Dark Skin
    Option - Tablet Mode
    +4
    SMPlayer on a GNU/Linux Machine
  6. Open-source, ad-free torrent client offering a polished user interface, integrated multi-site search, RSS support, remote web control, and cross-platform availability.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Snapcraft
    • Flathub
    • Haiku
    • FreeBSD
    • Flatpak
    • AppImage
    Main window (General tab collapsed)
    Main window (General tab expanded)
    Options dialog
    +1
    Search engine
  7. Nicotine+ icon
     Like

    Nicotine+ is a graphical client for the Soulseek peer-to-peer network.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Oracle Solaris
    • FreeBSD
    • Haiku
    • Gentoo
    • Manjaro Linux
    • OpenBSD
    Nicotine+ screenshot 1
    Nicotine+ screenshot 1
    Nicotine+ screenshot 2
    +5
    Nicotine+ screenshot 3
  8. FreeTube icon
     Like

    Experience YouTube ad-free on desktop with enhanced privacy. FreeTube prevents Google tracking and works seamlessly across Windows, Mac, and Linux.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    • Flathub
    • Flatpak
    • AppImage
    Watching a video
    Browse videos from subscribed channels
    Search for and discover content
    +3
    Manage subscribed channels
  9. qpwgraph icon
     Like

    qpwgraph is a graph manager dedicated to PipeWire, using the Qt C++ framework, based and pretty much like the same of QjackCtl.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Arch Linux
    • Flatpak
    qpwgraph screenshot 1
  10. Blanket icon
     Like

    Improve focus and increase your productivity by listening to different sounds. Or allows you to fall asleep in a noisy environment.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Linux Mobile
    • Flathub
    • GNOME
    Blanket screenshot 1
    Blanket screenshot 1
    Blanket screenshot 2
  11. VSCodium icon
     Like

    This repository contains a build file to generate FLOSS release binaries of Microsoft's Visual Studio Code - Open Source ("Code - OSS") project, the open source core of the proprietary Visual Studio Code icon Visual Studio Code.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Electron
    • Snapcraft
    • Homebrew
    • Chocolatey
    VSCodium screenshot 1
  12. LocalSend icon
     Like

    Free open-source tool offers secure, end-to-end encrypted file and message sharing over local networks across major desktop and mobile operating systems.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Chocolatey
    • Mac
    • Homebrew
    • iPhone
    • iPad
    • Android
    • Android Tablet
    • F-Droid
    • Obtainium
    • OpenAPK
    • Linux
    • AppImage
    • Flatpak
    • Flathub
    • Snapcraft
    • Arch Linux
    • Nix Package Manager
    LocalSend screenshot 1
    LocalSend screenshot 1
    LocalSend screenshot 2
    +5
    LocalSend screenshot 3
  13. fooyin icon
     Like

    fooyin is a music player built around customization. It offers a growing list of widgets to manage and play your local music collection. It's extendable through the use of plugins, and many widgets make use of FooScript to offer an even deeper level of control.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    • BSD
    • Flathub
    • FreeBSD
    • Flatpak
    fooyin screenshot 1
    fooyin screenshot 1
    Fooyin v0.11.0
    +8
    fooyin screenshot 3
  14. Krita icon
     Like

    A free, open-source painting program for professional artists offering customizable UI, 9 brush engines, layer support, and color management.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android Tablet
    • KDE Plasma
    • Epic Games Store
    • PortableApps.com
    • F-Droid
    • Steam
    • AppImage
    Krita screenshot 1
    Krita screenshot 1
    Krita screenshot 2
    +6
    Main Window
  15. NewPipe icon
     Like

    Lightweight and open-source app for YouTube, PeerTube, SoundCloud, and more. No Google Account needed, supports 4K and background audio streaming with downloads.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • Android Auto
    • F-Droid
    • Obtainium
    • OpenAPK
    • Linux
    • Flatpak
    • Flathub
    NewPipe screenshot 1
    NewPipe screenshot 1
    NewPipe screenshot 2
    +12
    NewPipe screenshot 3
  16. calibre icon
     Like

    Free e-book manager offering library management, multi-format conversion, syncing to devices, news download as e-books, built-in viewer, editor, and privacy.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Flathub
    • PortableApps.com
    • Homebrew
    • Haiku
    calibre screenshot 1
    calibre screenshot 1
    calibre screenshot 2
    +3
    calibre screenshot 3
  17. darktable icon
     Like

    Open source non-destructive RAW photo editor and image database with lighttable and darkroom views, real-time editing, HDR and scientific image support.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Darktable’s lighttable mode showing a collection
    Darktable’s darkroom mode with an image opened
    Darktable’s darkroom mode, sharpening an image
    +3
    Darktable’s darkroom mode, split toning an image
  18. GIMP icon
     Like

    Free open-source suite with advanced photo retouching, composition, batch processing, plugin extensibility, custom scripting, and wide file format compatibility.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Haiku
    • Flatpak
    • AmigaOS
    • AppImage
    GIMP screenshot 1
    GIMP 2.99.18 on Windows, non-default theme.
    GIMP screenshot 2
    +5
    GIMP screenshot 3
  19. Ad-free and privacy-focused downloader for videos, music, and media from major social and media platforms, supporting direct sharing link downloads and open API integration.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Docker
    Media Downloader - Page (Home)
    Remux - Page
  20. yt-dlp icon
     Like

    Command line program that's a youtube-dl icon youtube-dl fork that downloads videos from YouTube and over 1000 sites. The main focus of this project is adding new features and patches while also keeping up to date with the original project.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Linux Mobile
    • Termux
    • Haiku
    yt-dlp screenshot 1
    yt-dlp screenshot 1

Android apps

  1. Facilitates device communication, enabling notifications, SMS replies, file sharing, and remote control across multiple operating systems.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • KDE Plasma
    • F-Droid
    • Sailfish OS
    • Plasma Mobile
    • Chocolatey
    • OpenAPK
    KDE Connect screenshot 1
    System Settings Module
    KDE Connect screenshot 2
    +4
    KDE Connect screenshot 3
  2. Vanadium icon
     Like

    Privacy and security enhanced releases of Chromium for GrapheneOS. Vanadium provides the WebView and standard user-facing browser on GrapheneOS.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    Vanadium screenshot 1
  3. OsmAnd icon
     Like

    Navigation app with offline and online OSM maps, turn-by-turn voice guidance, cycling and driving modes, GPX tracking, POI search, and monthly updates.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Android Auto
    • F-Droid
    • Kindle Fire
    • Apple Car Play
    • OpenAPK
    OsmAnd screenshot 1
    OsmAnd screenshot 2
    OsmAnd screenshot 3
  4. Audile icon
     Like

    Open-source Android app recognizing music via AudD and ACRCloud, storing results with full metadata, lyrics, and links, supporting offline use and robust library management.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    • OpenAPK
    Audile screenshot 1
    Audile screenshot 2
    Audile screenshot 3
  5. A free and open source podcastmanager for Android, allowing you to subscribe to podcasts (via iTunes database & OPML), automatically download episodes using powerful mechanisms and listen to them the way you like (speed, balance adjustments, etc).

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • Android Auto
    • F-Droid
    • OpenAPK
    AntennaPod screenshot 1
    AntennaPod screenshot 2
    AntennaPod screenshot 3
  6. An end-to-end encrypted note-taking by Proton. Offline access, unlimited sync across devices, tagging, passcode and biometric security, plus advanced premium privacy features.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • OpenAPK
    Plain text note on free version.
    Cross-platform sync and end-to-end privacy
    A note using the Super note editor.
    +1
    Extensions and Themes
  7. CoMaps icon
     Like

    CoMaps is a new community-driven map app project born out of the desire to create a truly open, transparent, and community-focused navigation app.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Auto
    • Obtainium
    • Flathub
    • F-Droid
    • OpenAPK
    • Flatpak
    • Apple Car Play
    CoMaps screenshot 1
    CoMaps screenshot 2
    CoMaps screenshot 3
  8. Voice icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    • OpenAPK
    • Android Auto
    audiobook overview
    page when playing a specific audiobook
    android lockscreen when playing an audiobook
  9. Feeder icon
     Like

    Feeder is a fully free/libre feed reader. It supports all common feed formats, including JSONFeed. It doesn't track you. It doesn't require any setup. It doesn't even need you to create an account!

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    • Obtainium
    • OpenAPK
    Phone Feeds -Light Mode
    Phone Feeds - Dark Mode
    Phone View - Light Mode
  10. Qwen icon
     Like

    Qwen.com is an interface to chat with Alibaba Qwen's Qwen series of models which are renowned for their huge context windows, generous free usage limits, reliability, and their continued tradition of being open-source.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • Self-Hosted
    Qwen screenshot 1
    Qwen screenshot 1
    Qwen screenshot 2
    +1
    Qwen screenshot 3
  11. Saracroche: The simple and effective solution to stop unwanted calls! A simple interface that's ideal for peace of mind. Just activate it... and that's it, you can forget about it. The app automatically blocks unwanted numbers without any complex configuration. No data is shared.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • iPhone
    • iPad
    • Android
    • F-Droid
    Block 17 million unwanted numbers with Saracroche, 

Illustration (on a yellow background) :
A hand holding a mobile phone with a red ‘X’ symbol on the screen, indicating that a call is being blocked.

Features listed below:

Simple
Free and open source
Developed in Toulouse
Report numbers
    Text at the top:
‘To avoid telemarketing calls, spam, fraudulent calls and many others’

Below is a screenshot of the app's home screen. At the bottom is the menu with ‘Report’, “Help” and ‘Settings’.

Statistics with Active blocker: 16,643,100 numbers automatically blocked. List based on telephone operator prefixes.

It specifies that it is open source/free, encouraging donations to support.
    Screenshot showing the page for reporting unwanted numbers, on a yellow background.

At the top: ‘Report numbers. Help the app get better.’

‘Report a number (Beta)’: Users can improve the block list by reporting numbers. Requires entering the phone number in E.164 international format.

Infos about the 33700 service set up by French mobile phone operators to report unwanted calls/text.
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