WhatsApp library for NodeJS that connects through the browser app
Java-based ONC/RPC implementation
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
Tools to convert Z mark-up to HTML or text.
Mobile P2P App - Use a P2P App on your Smartphone
A simple C++ socket library used to make socket programming tolerable.
A free .NET library for accessing IMAP servers, written in C#
IETF tools - Library, Code Generation, Tools