Open Source Flutter Software & Tools
Discover the best open source software and alternatives built with Flutter. Explore top tools, compare features, and find the right solution.

Flex
Offline-first workout tracker for strength training and cardio with progress graphs, background rest timers and a local database.
Hevy
Sunoh
Android music app that plays YouTube Music, Gaana and Saavn plus your local files through one ad-free interface.
Spotify
DartPDF
A free, local PDF editor for mobile, desktop, and web. Annotate, fill forms, sign, and redact with no account or uploads.
Adobe AcrobatStreak
Minimal, private, ad-free habit tracker for Android with streak tracking, focus sessions, and GitHub-style activity grids.
HabitKit
Anchor
Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.
Google Keep
Immich
High performance self-hosted photo and video management solution with automatic backup, facial recognition, and AI-powered search.
Google Photos
openreads
Privacy-respecting mobile book tracker for iOS and Android, built with Flutter — your library lives on your device.
Goodreads
Open Authenticator
Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.
Google Authenticator
SelfPrivacy
Free app that turns a Hetzner or DigitalOcean VPS into your own private cloud, deploying email, Nextcloud, VPN, and more from Android or desktop.
DropboxGymMane
Offline gym log for Android with a tap-the-muscle body map, 500+ animated exercises, rest timers, and no internet permission at all.
Hevy