Android

Round Sync manages remote files from Android through a cloud file manager powered by rclone.

DoNotNotify filters and blocks Android notifications using rules that users can customize.

Ani Hyou is an unofficial Android client for AniList, providing a mobile interface to the anime and manga tracking service.

Halcyon Maps publishes infographics, including an explanation of gravitational waves.

QUIK provides an open source replacement for the stock SMS messaging app on Android, with this listing describing a revived project.

An open-source file manager for Android presents files and folders in a Material Design interface.

Notein provides note-taking tools and download information for users in the United States.

SignSchool provides tools and lessons for learning American Sign Language.

The Uhuruphotos Android gallery supports media browsing, backup, and synchronization for photo collections.

HelloChinese provides language learning for beginners studying Chinese, with multiple interface language options.

Headunit Revived displays Android Auto, and its project repository identifies it as an app.

Prism File Explorer provides Android file management in a lightweight app with a broad feature set; the repository says active maintenance has ended.

The VA Mobile Mindfulness Coach teaches mindfulness practices intended to reduce stress and support emotional balance.

Adebar uses Bash and ADB to create Android device backups and reports.

Fossify File Manager helps users manage files on Android, with its project description specifying no ads.

Lissen is an Android client for Audiobookshelf, with audiobook playback and progress syncing.

Awesome TensorFlow lists experiments, libraries, and projects related to TensorFlow.

GAMEYE helps video game collectors catalog and manage their collections.

Showly helps users manage movies and TV shows through an Android tracking app.

Courrier international translates and presents international news and articles from foreign media in French.

Deribit provides crypto options, perpetuals, futures, and spot trading for Bitcoin, Ethereum, Solana, and other assets.

SilentNotes offers cross-platform note-taking, with downloads and privacy information on its site.

Use Mastodon’s official Android app to access the decentralized social network.

FamilyWall helps families organize everyday plans and shared activities.