A .NET/Mono library for string-based user interface localization.
NSD graphical editor, for Java development and rev-engineering
Electronic design and programming tools suite like Eagle, MpLab
DocBook Editing and Processing for Eclipse
yEdGen can open a flow chart and generate ANSI C code from it.
Minimalistic properties editor for Qt applications
A Rodin Platform Plug-in for Generic Instantiation
Plugin based multi-purpose dev tool.
a graphical language for functional programming
Advanced multiplatform text editor for developers
A quick & dirty XUL / XBL prototyping editor for user interface.
A graphical editor for PlantUML diagrams.
A cross platform hex file editor
A resource editor for the Mac OS.
Graph editing tool
A visual editing environment for Sims3 JAZZ resources.
gtk editor for systemverilog