mod_video is an Apache module for grabbing images directly from a frame-grabber card. It was written to make it easier to set up a webcam. It utilizes the Video4Linux API and has only been tested with BT848-based cards.
This library could do with some proper documentation rather than just having people waste time reading the source and trying to figure out how to use it in non-trivial applications.
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).