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
A cross-platform XML/CSS based eBook reader
Zefania XML bible modules
An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.
Development toolkit for Web Services and XML data bindings for C & C++
An open source RDP server
Powerful rich text editor framework with a modular architecture
An embedded web server
The next generation Javascript WYSIWYG HTML Editor
Importable dictionary for typing math symbols more easily
An anti-bikeshedding Kotlin linter with built-in formatter
Reformats Java source code to comply with Google Java Style
sq data wrangler
An RSS, Atom and JSON Feed parser written in Swift
Java binary serialization and cloning, fast, efficient, automatic
Improved JPEG encoder
The #1 HTTP server for iOS, macOS & tvOS
Mind map and outliner editor for Windows, Mac, Linux, Android and iOS
All-in-one Android app for RSS, BitTorrent dl & play
A reusable native Android rich text editor component
A free simple responsive HTML email template
A set of 170+ Bootstrap based design blocks to create websites
Server-sent live updates, protocol and reference implementation
Simple JSON Object mapping written in Swift
Facilitates the use of JSON data in Swift