best-of ranking · updated nightly

Best Open Source Data & Analytics Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    Browser Use ★ 120K

    Let AI agents control any browser, at scale

    MIT Python pushed 2026-11-02 details →
  2. 2
    Scrapling ★ 92K

    🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl! Don't be shy, join here: https://discord.gg/EMgGbDce

    BSD-3-Clause Python pushed 2026-11-01 details →
  3. 3
    Mermaid ★ 91K

    Text-based diagramming that renders in code and docs

    MIT TypeScript pushed 2026-11-01 details →
  4. 4
    Crawl4AI ★ 87K

    LLM-ready web crawler built for AI data pipelines

    Apache-2.0 Python pushed 2026-11-01 details →
  5. 5
    Apache Superset ★ 75K

    Self-serve data exploration and dashboard builder

    Apache-2.0 Python pushed 2026-11-01 details →
  6. 6
    echarts ★ 68K

    Apache ECharts is a powerful, interactive charting and data visualization library for browser

    Apache-2.0 TypeScript pushed 2026-10-13 details →
  7. 7
    scrapy ★ 65K

    Scrapy, a fast high-level web crawling & scraping framework for Python.

    BSD-3-Clause Python pushed 2026-11-01 details →
  8. 8
    diagram-design ★ 64K

    38 editorial diagram types for Claude Code, Codex, and Pi. Self-contained HTML + SVG. No shadows. No Mermaid slop.

    MIT HTML pushed 2026-11-01 details →
  9. 9
    ClickHouse ★ 51K

    Lightning-fast analytics for massive datasets

    Apache-2.0 C++ pushed 2026-11-02 details →
  10. 10
    Metabase ★ 50K

    Unlock data insights with powerful, user-friendly analytics

    NOASSERTION Clojure pushed 2026-11-02 details →
method stars desc · snapshot from github api refresh nightly

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source Data & Analytics tool in 2026?

Browser Use leads the ranking with 119,787 GitHub stars, ahead of Scrapling. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Data & Analytics tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best Data & Analytics tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.