GeoIP provides indepth details on where people are accesssing your URL from.

Crabgrass is a software libary web application designed for social networking, group collaboration and network organizing. Our goal is to create communication tools that are tailored specifically to meet the needs of bottom up grassroots organizing...

BigBlueButton is an open source web conferencing system that enables universities and colleges to deliver a high-quality learning experience to remote students.

Mibew Messenger (also known as Open Web Messenger) is an open-source live support application written in PHP and MySQL. It enables one-on-one chat assistance in real-time directly from your website.

SlimStat is a simple but powerful web analytics program.

An open source Q&A(question and answer) eco-system

stackoverflow-like app written in ruby, mongomapper and mongodb Question answer script.

Digistore Ecommerce 4.0 is a fully featured open source ecommerce solution based on the popular osCommerce engine. Boasting improvements both to the administration and the end user experience - Digistore has quickly become a popular choice for people wishing to market products online.

webpraca is a opensource job board. It's purpose is to provide a way to quickly and easily host a niche job board.