Open Source #Android Projects

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

Privacy-first Android dialer with call blocking, multi-SIM support, and no ads or tracking.

A community-led fork of Organic Maps. Free offline maps for Android and iOS with no ads, no tracking, and no data collection.

RunnerUp is a free, open source GPS run tracker for Android with audio cues, interval workouts, heart rate zones — no accounts or ads.

Android music app that plays YouTube Music, Gaana and Saavn plus your local files through one ad-free interface.

Turn your Android phone into a 4K webcam via USB or WiFi with an open-source desktop client and mobile app.

A privacy-focused sport tracking application for Android that records GPS tracks and supports Bluetooth sensors without any internet access or ads.

A free, open-source cross-platform music player for Navidrome, Jellyfin, Plex and other Subsonic-compatible servers.

Minimal, private, ad-free habit tracker for Android with streak tracking, focus sessions, and GitHub-style activity grids.

Self-hosted personal nutrition tracker with PWA and Android app. No telemetry, no cloud sync, full data ownership.

Modern Android dialer with built-in contacts, AMOLED themes, QR sharing, and dual-SIM support.

An open-source, cross-platform remake of Civilization V that runs on Android and desktop with full mod support.

Android app that removes EXIF metadata from photos via the share menu before sharing.

Open-source, privacy-first analytics for mobile, desktop, and web apps. Anonymous event tracking, no cookies or device IDs, GDPR-compliant by default.

Free offline maps app for travelers, hikers, and cyclists using OpenStreetMap data. No ads, no tracking.

An open source movie and TV show tracker app for Android with IMDb integration.

Privacy-respecting mobile book tracker for iOS and Android, built with Flutter — your library lives on your device.

Offline gym log for Android with a tap-the-muscle body map, 500+ animated exercises, rest timers, and no internet permission at all.

A free, open-source Android app for markdown notes and task lists with reminders, file attachments, and optional Nextcloud sync.