SHINE Live Help is a live support chat application for website sales and support. It works as a standalone chat and integrates with Sugar Open Source CRM.
RkCMF is a CMF designed to manage big amounts of text data easily. You won't find blocks or categorize modules - you "made" them yourself with simple ContentBBcode tags.
Revive Adserver (ex OpenX Source, phpAdsNew) is an open-source ad server, with an integrated banner management interface and tracking system for gathering statistics.
