An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.
A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.
It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.
SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.
An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.
A secure, decentralized, peer-to-peer messaging app that works over Bluetooth mesh networks. No internet required, no servers, no phone numbers — just pure encrypted communication.
With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.
Federated and open-source social network with no ads, 500-character limit, custom emojis, and content warnings, emphasizing privacy and personal interaction.
An open social network that gives creators independence from platforms, developers the freedom to build, and users a choice in their experience.
Pixelfed is an image sharing platform with focus on Privacy, Safety and Security, an ethical alternative to centralized platforms like Instagram.
Fossify Camera is your go-to app for capturing life’s moments with precision and privacy. Whether you’re snapping photos or recording videos, this fully customizable, privacy-respecting camera app is designed to meet your needs.
This is a modern camera app focused on privacy and security. It includes modes for capturing images, videos and QR / barcode scanning along with additional modes based on CameraX vendor extensions (Portrait, HDR, Night Sight, Face Retouch and Auto) on devices where they're...
Highly versatile PDF and XPS solution offering customizable rendering and viewing with features like digital signatures, redactions, and annotations.
Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.
DeepSeek is an advanced AI designed to assist with answering questions, solving problems, and providing insights through natural, conversational interactions.
Privacy-first AI assistant with zero-access encryption, no logging or profiling, open-source code, and user-controlled conversations, subject to GDPR regulations.
Facilitates device communication, enabling notifications, SMS replies, file sharing, and remote control across multiple operating systems.
LocalSend is a free, open-source, cross-platform file-sharing tool designed to securely share files and messages with nearby devices over your local network without needing an internet connection. Here are some of its key features:
Zorin Connect is integrated into the Zorin OS desktop to merge the experience between your computer and Android device. It works over an encrypted connection on your local network, so your data stays private and never reaches the cloud.
OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network.
Unleash memories, not personal data. Fossify Gallery is the ultimate photo and video app that's as powerful as it is private. No ads, no unnecessary permissions – just a seamless experience tailored for you.
Aves can handle all sorts of images and videos, including your typical JPEGs and MP4s, but also more exotic things like multi-page TIFFs, SVGs, old AVIs and more!
Easily back up, organize, and manage your photos on your own server. Immich helps you browse, search and organize your photos and videos with ease, without sacrificing your privacy.
Open-source, end-to-end encrypted backup and sharing for photos and videos, with multi-platform sync, original quality, privacy controls, and collaborative albums.
Introducing Fossify Music Player – your gateway to uninterrupted musical enjoyment. Say goodbye to intrusive ads and hello to a seamless music experience designed to accompany you wherever you go.
Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.
NOVA is an open source video player for Android. It consists in a fork of the original 
Archos Video Player Community Edition.
Open-source media player supporting Linux to iOS, highly customizable with plug-ins, supports 4K and diverse formats, privacy-centric and ad-free.
Free open-source media system alternative to proprietary options, supports Chromecast, 4K streaming, plugin extensions, with privacy focus.
PeerTube is a free, decentralized and federated video platform developed as an alternative to other platforms that centralize our data and attention, such as YouTube, Dailymotion or Vimeo. But one organization hosting PeerTube alone may not have enough money to pay for bandwidth...
Media center supporting movies, series, YouTube, and smartTV casting via DLNA/Chromecast. Offers HD, subtitles, add-ons, with no registration needed. Notice of new episodes.
Introducing Fossify Calculator – your versatile and efficient tool for all your calculation needs. Enjoy a stylish, modern design paired with powerful functionality, perfect for both simple calculations and more complex tasks like currency conversion.
And this is it!
Remember that you can search for more open source Android applications available in the Google Play Store on this website or in other AlternativeTo! lists.
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