DSpace - DSpace open source software enables open sharing of content that spans organizations, continents...
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Greenstone Digital Library - Greenstone is a suite of software tools for building and distributing digital library collections...
HelpNinja - Simple & Affordable help desk
Koha - Koha is the first free and open source software library automation package (ILS).
SupportYourApp - Connecting talented people with the blooming IT industry to help them grow faster by outsourcing support.