DBMS supporting graph, document, full-text and geospatial models
an Open Source BPMN 2.0 / DMN 1.1 Modeler
A Database System for Metamodeling and Method Engineering
Syntax tree editor for rapid annotation of existing text
PUed - PlantUML Editor
Declarative PageObject description
Make a tag cloud from text in your files
A graphical editor for PlantUML diagrams.