Kongreg8 is a church database system allowing you to free yourself from the chains of the office. Written in PHP and MySQL, it has been in production since 2008 and is now released under GNU GPL v3.
The new version (2.0.x onwards) is hosted on Github
https://github.com/tsky/kongreg8_os2
Osads is a free OpenSource Alliance-Database for the german MMOG Space-Pioneers. You can administrate the members, cloak-and-dagger reports, expanses of ruins and so on. You can also define your own stylesheets and individual rights for each member.
Multiplatform webbased timereporting system. Generic database support (MS SQL, MySQL...). Generate reports on employees, worked hours in projects. Automatically generate invoices based on an hourly fee (by employee). Gant charts for planning resources
The German Youth Red Cross needs to build a Member-Database (based on LAMP) to be used by several Youth-Red-Cross-Departments to manage every Member, Groups of Members and several Conventions and Education-Events.
GreenTymes is a application (currently in beta stages) for golf courses to create and track their tee time bookings and member information (contact info, etc.). It is built with PHP and MySQL. This allows for multiple terminals to access all the inform
A web-based membership management system aimed at organisations such as political parties and co-operatives. Features include: mass emailing; export to PDF, LaTeX, etc.; extendability through plugins; member access to their own information; and more.