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@deephaven

Deephaven Data Labs

Open source projects for working with streaming tables.

Open Source at Deephaven

We make working with live dataframes easy.

Get involved

Come be a part of our open community and let's build amazing software together. Check out issues tagged "good first issue", if you're looking to get involved. Deephaven is an open-core company.

Explore some of our featured projects:

  • deephaven-core, our query engine for working with real-time streams and batch data.
  • barrage, an arrow flight extension to support ticking datasets via IPC.
  • deephaven-csv, a high-performance CSV parser.

Get support

Have questions about contributing? Need help with Deephaven? Join us in our slack channel.

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  1. deephaven-core deephaven-core Public

    Deephaven Community Core

    Java 363 98

  2. barrage barrage Public

    An arrow flight extension to support ticking datasets via IPC

    Java 29 13

  3. web-client-ui web-client-ui Public

    Deephaven Web Client UI

    TypeScript 44 35

  4. deephaven-csv deephaven-csv Public

    Deephaven CSV

    Java 67 14

Repositories

Showing 10 of 49 repositories
  • deephaven-mcp Public

    Deephaven Model Context Protocol

    deephaven/deephaven-mcp's past year of commit activity
    Python 5 Apache-2.0 8 23 2 Updated Sep 30, 2026
  • deephaven-core Public

    Deephaven Community Core

    deephaven/deephaven-core's past year of commit activity
    Java 363 98 1,090 (3 issues need help) 131 Updated Sep 30, 2026
  • deephaven-plugins Public

    Deephaven Plugins

    deephaven/deephaven-plugins's past year of commit activity
    Python 17 20 173 (2 issues need help) 10 Updated Sep 30, 2026
  • web-client-ui Public

    Deephaven Web Client UI

    deephaven/web-client-ui's past year of commit activity
    TypeScript 44 Apache-2.0 35 187 (3 issues need help) 6 Updated Sep 30, 2026
  • vscode-deephaven Public

    Deephaven Visual Studio Code Extension

    deephaven/vscode-deephaven's past year of commit activity
    TypeScript 4 Apache-2.0 3 41 6 Updated Sep 29, 2026
  • benchmark Public

    Deephaven Benchmarking

    deephaven/benchmark's past year of commit activity
    Java 2 Apache-2.0 3 22 5 Updated Sep 25, 2026
  • deephaven-seqlock Public

    A writer-biased optimistic concurrency primitive for Java

    deephaven/deephaven-seqlock's past year of commit activity
    0 0 0 3 Updated Sep 23, 2026
  • deephaven-base-images Public

    Base docker images for deephaven-core

    deephaven/deephaven-base-images's past year of commit activity
    Shell 4 9 5 9 Updated Sep 18, 2026
  • salmon-sync Public

    Source code for an action that syncs docs to the Salmon of Knowledge bucket

    deephaven/salmon-sync's past year of commit activity
    0 2 0 0 Updated Sep 16, 2026
  • deephaven-server-docker Public

    Deephaven Server Docker

    deephaven/deephaven-server-docker's past year of commit activity
    Dockerfile 4 10 5 9 Updated Sep 11, 2026