Browse free open source Diagram software and projects for Mac below. Use the toggles on the left to filter open source Diagram software by OS, license, language, programming language, and project status.
Security-first diagramming for teams
Xfig is a diagramming tool
Security-first diagramming for teams
Diagram and flowchart generation from text similar to markdown
Distributed tracing system to gather timing data
The Pencil Project's unique mission is to build a free tool
Machine learning, conversational dialog engine for creating chat bots
JavaScript client-side editor for general diagramming & whiteboarding
A flow chart editing framework focusing on business customization
Interactive Terraform visualization. State and configuration explorer
D2 is a modern diagram scripting language that turns text to diagrams
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Digital timing diagram rendering engine
JavaScript diagramming library for interactive flowcharts & org charts
Smart, fast and extensible build system
Free software for making Flow chart, Mind map, Gantt chart, Whiteboard
C4-PlantUML combines the benefits of PlantUML and the C4 model
Fast JavaScript library for Delaunay triangulation of 2D points
Diagram as Code for prototyping cloud system architectures
Circuit diagrams and firmware source code for Gboard DIY keyboards
JavaScript diagramming library that uses SVG and HTML for rendering
Display dynamic, automatically organised, customizable network views
UCanCode Visio 2023, the best replace of Microsoft Visio