Tesseract Open Source OCR Engine (main repository)

🚀 The easiest way to automate building and releasing your iOS and Android apps

Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

Android in docker solution with noVNC supported and video recording

🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages

An alternative frontend for YouTube, for Android.

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.