Entity Relation Diagrams generation tool
JavaScript client-side editor for general diagramming & whiteboarding
Graphical language server platform for building web-based diagram
Display dynamic, automatically organised, customizable network views
A set of trafficlight shapes to use in your diagrams in DIA
E-XD++ Diagram Control for C/C++, .NET, the professional Diagram.
power system configuration and simulation, c/c++ and .NET
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Ladder editor and debugger
Open source PLC IEC61131 Software Componet with c++ source codes
show and edit eulumdat files
Circuit diagram editor with device editor
An editor for the specification of Graphol ontologies
Easy Tools of PDF, Image, File, Network, Data, and Medias
E-XD++ UML Control for C/C++, C# and .NET, it can be used within Delph
Analog \ digital circuit design and simulation source code
small console GML or graphviz DOT graph viewer
Qt Visual Graph Editor
Database administration,view,edit,migrate,entity relationship diagram
Digital timing diagram rendering engine
A modern note taking app based on GIT
PUed - PlantUML Editor