The most advanced open source customer relationship management (CRM), Sales Force Automation (SFA) suite: also features business intelligence (BI) tools, Computer Telephony Integration (CTI), and advanced plugin architecture. PHP/ADOdb/LAMP
Team Elements is an Enterprise 2.0 team collaboration suite. It ties discussions, wikis, RSS, project and document management, and federated search into a unified application. It is database-driven with rigorous role-based access and permissions.