MySQL - The world's most popular open source database
Communifire - Enterprise Social Collaboration Software
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
LS Intranet - LS Intranet is a corporate intranet that facilitates multiple employees collaborating on projects, and working in synergy.
SQLite - SQLite Home Page
Unily - Unily is a cloud-based intranet solution designed by SharePoint consultancy BrightStarr.