Alfresco.com is the most advanced open source CMS
I am a one of developers(autors) of core Open Source webCMS the Alfresco.com. I participated in the project as Sr.Software Engigner in Alfresco and in set of my responcebilities were included security and architectural errors research.(spring-surf, xForms, WCM, web scripts, data modeling, JBPM, server kerberos-security adjusting, yahooYUI, AVM deploying, Record Management, Share administration and bug fixing, Search Service et alias) Our local team consists of 15 developers and 20 testers. We used to worck with jira-bug-tracking system and we used to correct the bugs of users, if it was neccessary also we were correcting the architecture. I also participated(bug fixing) in some Open Source platforms and frameworks like "Spring-surf", "dotCMS" as contributor.
