CategoriesDiagramming

Companies in the category 'Diagramming'

These are companies that provide open source tools for creating diagrams and flowcharts.

Items per page:
Sort by:
Showing 1-3 of 3 items
Mermaid Chart

Text-based diagramming platform

Mermaid Chart is a collaboration platform for text-based diagramming that allows individuals and teams to create, share, and version-control diagrams using a Markdown-inspired syntax. The platform builds on the open-source Mermaid.js library and adds AI-assisted diagram generation, real-time collaboration, and enterprise features such as SSO and SOC2-compliant access controls.

Location: San Francisco, CA, USA
Founded: 2022
Industries
Software
Technologies
AIDocumentation
Sectors
Enterprise
Licenses
MIT

No headlines available

Updated: March 29, 2026
2 people
0 headlines
Excalidraw

Collaborative whiteboard with hand-drawn feel

Excalidraw is an open-source virtual whiteboard tool that allows users to create and collaborate on diagrams and sketches in real-time. It provides a simple and intuitive interface for visual communication.

Location: San Francisco, CA, USA
Founded: 2020
Industries
Software
Technologies
CollaborationReact
Sectors
Enterprise
Licenses
MPL-2.0
Updated: October 9, 2025
2 people
9 headlines
Terrastruct

Diagramming tools for software architecture

Terrastruct offers a platform for creating complex software architecture diagrams. It is built to handle complexity and allows users to layer diagrams to manage different levels of detail. The platform primarily serves enterprises.

Location: San Francisco, CA, USA
Founded: 2019
Industries
Software
Technologies
VisualizationSoftware Architecture
Sectors
Enterprise
Licenses
MPL-2.0
Updated: May 29, 2025
1 person
1 headlines

COSS Weekly Newsletter

Stay up to date with the latest news, funding rounds, and announcements from the COSS universe.

Check out COSS Weekly on the web

All information submitted through this form is handled in accordance with the Privacy Policy of Chinstrap Community.