log-malloc2 is a malloc logging preload library that assists with discovering memory leaks. It features backtraces and byte-exact memory tracking.
Plumbr is a Java agent for timely discovery of memory leaks. It tells you what is leaking, where the leak originates from, and where the leaked objects currently reside.
A Django-based Content Management Framework.
A Web filtering ICAP server for the Squid proxy server.