Android Apps

wallabag is a self-hostable open-source application designed for saving web pages for offline reading, providing users with complete control over their saved content.

Task Coach is a free and open-source personal task manager designed to handle compound tasks and notes. It's a versatile tool for organizing your to-do list with support for subtasks, categories, and tracking time spent on tasks, making it suitable for both simple task management and more complex project organization.

I2P (The Invisible Internet Project) is a secure, anonymous overlay network layer designed for privacy-preserving communication and application hosting. It enables users to browse anonymously, host websites (.i2p 'eepsites'), chat, and transfer files without revealing their identity or location.

Sky Map is a user-friendly Android planetarium app that turns your device into a window to the universe. Simply point your phone at the sky to identify stars, constellations, planets, and more. It's an excellent tool for both casual stargazers and budding astronomers.

Firefox Nightly is the bleeding-edge development channel for the Firefox web browser. It provides early access to experimental features, bug fixes, and performance improvements, allowing users to test and provide feedback on the very latest browser technology before it's released to the public. It's ideal for developers, testers, and enthusiasts who want to experience the future of Firefox.

Piwik, now Matomo, is a leading open-source web analytics platform serving as a powerful and privacy-preserving alternative to commercial solutions. It provides comprehensive insights into website visitor behavior.

DeaDBeeF is a lightweight and highly customizable audio player for Linux and other Unix-like systems. It supports a wide range of audio formats and offers advanced features like audio conversion, plugin extensibility, and comprehensive playlist management, making it a powerful choice for audiophiles and everyday users alike.

K-9 Mail is a free and open-source email client for Android, renowned for its focus on privacy, security, and extensive customization options. It supports multiple account types including IMAP, POP3, and Exchange.

The Battle for Wesnoth is a free, open-source turn-based fantasy strategy game featuring challenging campaigns, diverse units, and a vibrant community-driven content.

FBReader is a versatile and free ebook reader application supporting multiple formats including ePub, Kindle azw3, and fb2. It offers a customizable reading experience across different platforms with features like library management, synchronization, and text-to-speech.

Tutanota is a leading open-source email service offering robust end-to-end encryption and enhanced privacy. It provides a secure platform for communication and calendar management, accessible via web and dedicated applications.

Nxt is an open-source cryptocurrency and blockchain platform designed for flexibility and extensibility, offering a wide range of built-in features beyond basic transactions.

uBlock is a powerful, yet lightweight, content blocker available as a browser extension for various platforms. It effectively blocks ads, trackers, and malware sites, enhancing privacy and improving browsing speed. Although currently discontinued, its effectiveness and open-source nature made it a popular choice for users seeking a cleaner web experience.

KeePassDroid is a robust and open-source password management application for Android devices, offering strong encryption and compatibility with the popular KeePass password safe format. It provides secure local storage for your credentials, ensuring your sensitive data remains protected on your device.

ProtonMail is a leading secure email service utilizing end-to-end encryption and zero-access architecture to protect user privacy. Developed by scientists at CERN, it offers a robust and user-friendly platform for sending and receiving confidential communications.

SQLite is a widely adopted open-source embeddable database engine, known for its serverless architecture, zero configuration, and small footprint.

Pale Moon is an open-source web browser meticulously crafted for efficiency, ease of use, and customization, built on an independently developed Goanna engine. It provides a traditional browser experience while prioritizing user control and privacy over modern trends like mandatory cloud features and restrictive extension policies.

Aptoide is a prominent independent Android app store offering a vast collection of apps and games, providing an alternative to the official Google Play Store. It emphasizes user-generated content, with individual stores managed by users and organizations.

F-Droid is a trusted repository for free and open-source Android applications. Unlike commercial app stores, F-Droid prioritizes user privacy and software freedom, offering a curated collection of apps without proprietary tracking or advertisements, providing a transparent and ethical alternative.

HTTrack is a free and powerful offline browser that allows you to download entire websites to your local computer. It mirrors the site's file structure, enabling you to browse the content offline as if you were online. Ideal for archiving, research, or simply accessing content without an internet connection.

Jitsi is a free and open-source suite of secure, flexible communication tools. It offers multi-platform support for voice (VoIP), video conferencing, and instant messaging, emphasizing privacy and ease of use with no account required to start a meeting.

Signal is a secure, open-source messaging application that uses end-to-end encryption to protect user communications. It offers text messaging, voice and video calls, group chats, and file sharing, all with a strong focus on privacy and security. Available on multiple platforms, Signal is a leading choice for individuals prioritizing confidential conversations.

Syncthing is a free, open-source peer-to-peer file synchronization application that allows you to sync files between multiple devices in real-time. It is designed to be decentralized and replaces proprietary cloud services with a trusted, private network.

Popcorn Time is a free, multi-platform BitTorrent client with an integrated media player, enabling seamless streaming of movies and TV shows directly from torrents.

GnuCash is a powerful, free open-source accounting software designed for both personal financial management and small business accounting. Utilizing the double-entry accounting principle, it provides robust tools for tracking expenses, income, assets, and liabilities, along with budgeting and financial reporting.

BusyBox is the 'Swiss Army Knife' of embedded Linux, combining a miniature version of many common UNIX utilities into a single small executable. It's optimized for size and memory, making it ideal for resource-constrained environments like embedded systems, routers, and simple Linux distributions.

KDE Connect seamlessly bridges the gap between your computer and smartphone, offering a suite of tools to enhance workflow and convenience. Share files, control media playback, receive notifications, and much more, all wirelessly and effortlessly.

Ampache is a free and open-source web-based application designed for managing and streaming your audio and video files. It acts as your personal media server, providing access to your collections from anywhere with a web browser or compatible client application.

Apache CouchDB is a schema-free NoSQL database built for reliability and scalability, particularly in offline-first applications. It emphasizes ease of use and fault tolerance by using a peer-based distribution model and a robust replication mechanism. Its HTTP-based API and JSON document format make it developer-friendly.

Anki is a powerful, free, and open-source spaced repetition flashcard program designed to make learning and remembering information significantly more efficient and long-lasting. It leverages algorithmic scheduling to optimize study time.

PPSSPP is a powerful, open-source emulator allowing users to play their favorite Sony PlayStation Portable (PSP) games on a wide variety of devices. It focuses on providing a high-quality gaming experience with enhanced graphics and performance.

Aurora Store is a free and open-source client for Google Play Store, providing access to a vast library of Android applications without the need for a Google account or the official Play Store app. It offers enhanced privacy, security, and additional features for a more personalized app discovery and management experience.

Presearch is a revolutionary, decentralized search engine powered by the community. It offers users privacy-focused search results from multiple sources, rewarding them with cryptocurrency tokens for their activity, and empowering them with control over their data.

MediaMonkey is a comprehensive music manager and audio player designed for serious music collectors. It organizes extensive music libraries, plays various audio formats, syncs with devices, converts audio and video, manages tags, and includes tools for ripping and burning CDs and DVDs. It is ideal for users with large and diverse media collections.

andOTP is a free and open-source Two-Factor Authentication (2FA) application for Android devices. It enables users to generate time-based (TOTP) and HMAC-based (HOTP) one-time passwords securely, enhancing the security of their online accounts.

Miro is a leading online collaborative whiteboard platform designed for cross-functional teams to brainstorm, plan, and visualize ideas together in a flexible and infinite digital workspace. It offers a vast array of templates and tools to support various workflows, from agile planning to design thinking.

1by1 is a remarkably small and fast audio player designed for direct folder playback. It's portable, requires no installation, and efficiently manages large music collections without needing a dedicated library database. Ideal for users seeking performance and simplicity.

NordVPN is a leading Virtual Private Network (VPN) service that provides robust online security and privacy. It encrypts your internet connection, allowing you to browse the web anonymously and securely, protecting your data from snoopers, ISPs, and cyber threats.

RankHacker.com is a comprehensive online SEO platform designed to automate and streamline vital search engine optimization tasks. It offers tools for competitive analysis, detailed keyword research, content optimization, and performance tracking, empowering businesses and marketers to improve their search engine rankings and organic traffic.

Jellyfin is a free and open-source media server that allows you to manage and stream your personal media library (movies, TV shows, music, photos) to any device in your home or remotely. It provides a powerful and flexible platform for accessing your content.