Open source projects with GNU Lesser General Public License v2.1

Cypht: Lightweight Open Source webmail written in PHP and JavaScript

Zanata is a web-based system for translators to translate documentation and software online using a web browser.

Abilian Social Business Engine - an enterprise social networking / collaboration platform.

Flyspray Bug Tracking System

The XWiki platform

Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin. Works with Linux and MacOS. Supports DNS tunneling.

A scalable, distributed Time Series Database.

NIST Certified SCAP 1.2 toolkit

Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.