"KnowledgeTree is simple, turn-key document management software
designed for business people to easily install and use. We help our
users manage the collaboration, compliance and business process
challenges around the document lifecycle.
"KnowledgeTree Community Edition is open source and licensed
under the GPLv3. It has been downloaded over 650,000 times from
SourceForge.net and the KnowledgeTree forge includes over 70
external community driven projects. Our commercial edition is being
used by companies such as Sony Entertainment, Société
Générale Group and Mazda Motor Europe.
"The product is written in PHP and leverages the popular MySQL
database engine. KnowledgeTree runs on GNU/Linux, Windows and Mac
desktops, with commercial editions available for GNU/Linux and
Windows servers."