Free software for making Flow chart, Mind map, Gantt chart, Whiteboard
an Open Source BPMN 2.0 / DMN 1.1 Modeler
MDG for Sparx' Enterprise Architect to Create TRAK arch. descriptions
Webbased modeling tool
Easy-to-use personal time tracking application for Windows and Unix
A free cross-platform editor for the DRAKON visual language.
Generate railroad diagrams from code or BNF. Generate BNF from code
Your graphical tool for Syntactic/Semantic Structure Analysis of texts
C++ cross plattform functional block programming
State Machine Diagram Plug-In for Eclipse/CDT
A PlantUML editor written in Qt4
Cress is a comprehensive toolset for graphical service/workflow design
A modeling tool for software engineers (OO)
Conges is a web based vacation management software (java inside).
A tool for visualization and analysis of logs as sequence diagrams
A graphical Finite State Machine (FSM) designer.
Free drawing software for Windows, Mac OS X, and Linux
Print guitar chord diagrams
Mutation System for UML and Variability Models