Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible
E-XD++ UML Control for C/C++, C# and .NET, it can be used within Delph
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Syntax tree editor for rapid annotation of existing text
An editor for the specification of Graphol ontologies
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
A modern note taking app based on GIT
A free cross-platform editor for the DRAKON visual language.
PUed - PlantUML Editor
Combinatorial Interaction Testing Laboratory
UML diagram editor
The markup language for design the programs
An editor for the specification of Graphol ontologies
Utility for software systems specifications
A PlantUML editor written in Qt4
Plugin for MagicDraw to support MBSE with SysML
A Rodin Platform Plug-in for Generic Instantiation
An elegant Ubuntu based Linux distribution for all programmers.
A graphical editor for PlantUML diagrams.