CACHICHOT (Cheap Ass Check In Check Out Tool) is a PHP/MySQL utility to track items such as Games, DVDs, etc. This can be used to track lending of games, etc. in a home environment or track assets in a business environment.
The Rezgo Open Source PHP Parser is a tour and activity booking system for developers who want to integrate the Rezgo white label booking engine directly into their own website. It connects directly to the Rezgo XML API and handles searching, browsing, and booking.