Open Source Data Visualization Tools using GitHub
A curated collection of the best open source tools focused on creating charts, graphs, and other data visualizations. using GitHub.
Text-based diagramming that renders in code and docs
Stars
89,916Last commit
4 hours agoLicense
MIT
Create flowcharts, sequence diagrams, Gantt charts, and more using a simple Markdown-like syntax that renders anywhere.
Open Source Alternative to:
Design database diagrams and generate SQL scripts instantly
Stars
39,224Last commit
3 hours agoLicense
AGPL-3.0
Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup required.
Open Source Alternative to:
Security-first diagramming with no login required
Stars
7,687Last commit
2 days agoLicense
Apache-2.0
Create professional diagrams online or offline with security-first approach. No registration needed. Works with Google Drive, SharePoint, Atlassian, and more.
Open Source Alternative to:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
Openlane