DrProject is a web-based project management portal that integrates revision control, issue tracking, mailing lists, a wiki, and other tools that software development teams need to succeed.
"The purpose of this caching scheme is to avoid the dog-pile effect. Dog-piling is what normally happens when your data for the cache takes more time to generate than your server is answering requests per second."
Zope is an open source application server for building content management systems, intranets, portals, and custom applications. written in Python, a highly-productive, object-oriented scripting language