"wreeto", note and ideas management app
«wreeto is a cluttered-free knowledge management toolset that effectively organises your notes and ideas»
Wreeto is an open source note-taking, knowledge management and wiki system built on top of Ruby on Rails framework. Initially this was built because I didn't like the note-taking apps out there and I wanted something simple, structured and straightforward, with no bells and whistles.
They have an open source package: