Browse free open source Formats and Protocols and projects for Mobile Operating Systems below. Use the toggles on the left to filter open source Formats and Protocols by OS, license, language, programming language, and project status.
Free and open source manga reader for Android
Zefania XML bible modules
A cross-platform XML/CSS based eBook reader
Development toolkit for Web Services and XML data bindings for C & C++
An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.
An open source RDP server
Powerful rich text editor framework with a modular architecture
The next generation Javascript WYSIWYG HTML Editor
An embedded web server
Server-sent live updates, protocol and reference implementation
Classic modular front-end UI framework
sq data wrangler
All-in-one Android app for RSS, BitTorrent dl & play
Importable dictionary for typing math symbols more easily
Mind map and outliner editor for Windows, Mac, Linux, Android and iOS
Improved JPEG encoder
Reformats Java source code to comply with Google Java Style
Bug-fix-only libev port of shadowsocks
Simple, fast, versatile and full-featured services framework
RSS reader for macOS and iOS
An anti-bikeshedding Kotlin linter with built-in formatter
An RSS, Atom and JSON Feed parser written in Swift
A self hostable application for saving web pages
LaTeX, AscciMath and MathML editor developed in Javascript and HTML