[opensourcedex]

best-of ranking · updated nightly

Best Open Source Business Intelligence & Reporting 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
    Mermaid ★ 90K

    Text-based diagramming that renders in code and docs

    MIT TypeScript pushed 2026-09-15 details →
  2. 2
    Apache Superset ★ 75K

    Self-serve data exploration and dashboard builder

    Apache-2.0 Python pushed 2026-09-17 details →
  3. 3
    echarts ★ 67K

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

    Apache-2.0 TypeScript pushed 2026-09-16 details →
  4. 4
    Metabase ★ 49K

    Unlock data insights with powerful, user-friendly analytics

    NOASSERTION Clojure pushed 2026-09-17 details →
  5. 5
    pixijs ★ 48K

    The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

    MIT TypeScript pushed 2026-09-17 details →
  6. 6
    diagram-design ★ 41K

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

    MIT HTML pushed 2026-09-15 details →
  7. 7
    Redash ★ 29K

    Connect, query, visualize, and share your data

    BSD-2-Clause Python pushed 2026-09-03 details →
  8. 8
    dataease ★ 24K

    🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.

    GPL-3.0 Java pushed 2026-09-17 details →
  9. 9
    dash ★ 24K

    Data Apps & Dashboards for Python. No JavaScript Required.

    MIT Python pushed 2026-09-17 details →
  10. 10
    plotly.js ★ 18K

    Open-source JavaScript charting library behind Plotly and Dash

    MIT JavaScript pushed 2026-09-16 details →
method stars desc · snapshot from github api refresh nightly related Data Extraction & Web Scraping, Data Warehousing & Processing, Data Engineering & Integration, Web & Product Analytics

Related best-of lists

best Data Extraction & Web Scraping →best Data Warehousing & Processing →best Data Engineering & Integration →best Web & Product Analytics →

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

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Frequently asked questions

What is the best open source Business Intelligence & Reporting tool in 2026?

Mermaid leads the ranking with 90,293 GitHub stars, ahead of Apache Superset. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Business Intelligence & Reporting 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 Business Intelligence & Reporting 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.