Basqet is a tool for organizing notes, ideas, and information using a baskets concept. It supports text, pictures, and HTML links. and allows arrows to be used to connect notes. It was inspired by KDE Basket and Microsoft OneNote.
Edo is a cross platform utilty application. It aims to replace a lot of small tools you have to use daily, like a network enabled notepad, RSS reader, audio player, IM client, and others.
A genealogy records transcription editor.
A GTK version of slapt-get.