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All open datasets

Explore open, documented datasets for analysis and machine learning, with clear licences, JSON API access, and Parquet downloads.

2 datasets

Every dataset here is published as immutable Apache Parquet versions with a documented column schema, column profiles, an explicit licence and a named publisher. Read the schema and a sample of real rows without an account; sign up free to run bounded JSON queries or download the whole snapshot for training, backtesting or analysis. Agents can do the same over the Model Context Protocol at /api/mcp, or read /llms-full.txt for the whole catalogue in one file.

  1. Weekly

    Mostly Right21 Oct 2026, 08:08:19 UTC

    Live poker tournament chip counts and payouts, since 2025

    • 156.0K rows (estimated)
    • 518 views
    • 50 uses. Uses include downloads and successful API/MCP queries
  2. Monthly

    Mostly Right13 Oct 2026, 00:00:19 UTC

    Central Europe co-authors of OpenAI, Meta, DeepMind papers

    • 348 rows (estimated)
    • 483 views
    • 15 uses. Uses include downloads and successful API/MCP queries