A fast and reliable tool, written in Java 8, for generating professional UML sequence diagrams from text. Supports actors, con-/destructors, threads, broadcasts, notes, and fragments. Can serve as a Javadoc taglet. Exports PDF, (E)PS, SVG, PNG, ...
The source code is hosted at http://github.com/sdedit/sdedit
A simple editor for PlantUML. Requires PlantUML (and its dependencies, java and graphviz/dot).
Some features:
* update the diagram while editing
* code assistant to insert ready-made code snipets
* written in Qt4, so it should run on all platforms supported by Qt4 and PlantUML
* option to cache the PlantUML output to speed redo, undo and loading from disk
* can be used as a PlantUML viewer (see the wiki for more info)
Metaquokka is a highly configurable xml editor, currently available as Gridsphere portlet. Besides the default format, there is suppoert for ESysXML, a simulation description scheme for a geodynamics framework. Supports Generic Mapping Tools rudimentary.
The SBeaVeR editor is an Eclipse based plugin that allows business modellers and analysts to create fact-oriented business models and rules based on OMG's SBVR standard.
It is part of the DBE project.