an Open Source BPMN 2.0 / DMN 1.1 Modeler
MDG for Sparx' Enterprise Architect to Create TRAK arch. descriptions
A canvas library for generating technical drawings
A modeling tool for software engineers (OO)
A graphical editor for PlantUML diagrams.
OpenGL 3D Mesh generating library
Prototype editor for the SDEM Mapping Language
LPC Coding Library and GUI