The allRound pocket sized CodeEditor.
Create sticky notes, to-do list, journals & reminders all in one app
PDF Library for Developers
Vim-like editing in Eclipse
Create hyperlinks just by dragging, find contacts instantly, ...
A PlantUML editor written in Qt4
General-Purpose PDF Library for Java and .NET
FCKeditor (retired)
A small Java based text editor designed for coders.
Library of linguistic tools
RTF to XML Converter