Over the past couple years, I've been developing a Customer Relationship Management app (CRM) for hackerspaces, and it's now ready to release into the wild! Meet Seltzer CRM!
Seltzer CRM is an open source (GPL) CRM web app for hackerspaces. It's based on the LAMP stack, and has been in use at i3 Detroit for a couple years, growing with us to our current level of 75 members.
There are plenty of CRMs out there already, and even some open source ones, but all of the ones I've come across are rather complicated and have a learning curve before people can use them productively. Seltzer CRM is built around two goals: 1. Be significantly useful to the average hackerspace administrator without any training; 2. Be easy for a typical hackerspace web dev to hack on and extend.
The current features are:
You can try a demo here:
http://elplatt.com/seltzertest (user: admin, pass: beexcellent)
And the code is on github: