Open Source tools for big data visualization on the web
The Open Visualization Collaboration Space “OpenVis” is a forum within the OpenJS Foundation to neutrally govern a growing suite of widely adopted visualization libraries targeting TypeScript, JavaScript, WebGPU, WebGL and WebAssembly.
deck.gl
Large scale geospatial data visualization promoting Industry Collaboration through Open Source and Open Governance.
Learn more about deck.gl
kepler.gl
Make an impact with your location data. Kepler.gl is a powerful open source geospatial analysis tool for large-scale data sets.
Learn more about kepler.gl
cosmos.gl
High-performance WebGL-based graph visualization engine for massive datasets.
Learn more about cosmos.gl
perspective
Interactive analytics and data visualization component for large and streaming datasets.
Learn more about perspective
geoda.ai
Spatial data analysis for GenAI with powerful libraries and AI assistant tools.
Learn more about geoda.ai
SQLRooms
An open source React toolkit for human and agent collaborative analytics apps powered by DuckDB.
Learn more about SQLRoomsSeptember 9 → September 10, 2026
Open Visualization Collaborator Summit 2026
Come together with the community to discuss the present & future of the leading open source libraries for geospatial and visualization applications!
We'll be hosting this year's summit at the ETH Hönggerberg campus located just north of Downtown Zürich in Switzerland.
Get involved
The GitHub issues list is the place for discussion of OpenVis.
Join the Slack workspace
- Join 3000+ JavaScript developers in our community Slack channel!
- Join on Slack
Join the bi-weekly Open Visualization meeting
- Join us in person to present your project and ideas, influence our roadmap, or just to network and keep up to date with our progress and direction.
- Copy the invite to your calendar!
Contribute your project to OpenJS Open Visualization
- You can contribute your project to OpenJS and organize within the Collab Space. Either apply as a new top-level project, or apply to join an existing project like the deck.gl ecosystem.
- Contribute
Join the Collab Space 🚧
- We welcome contributors and collaborators to get involved through OpenJS at any time. Contributors may participate in the OpenJS Foundation’s technical governance body, the Cross Project Council, regardless of membership status.
- Join
How to share best practices for visualization 🚧
- We'd love to hear your share your knowledge! You can present at our community meeting, present at a collab summit or even write a post for our OpenJS blog!
- Publish
Check out our Media page 🚧
- Visit our Open Visualization Collaboration Space media for videos and other resources.
- View on GitHub
Meeting Minutes 🚧
- Keep track of our discussions with the Open Visualization Collaboration Space meeting minutes.
- View on GitHub
