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
   Mermaid ★ 90K

   Text-based diagramming that renders in code and docs

   MIT TypeScript pushed 2026-09-15 details →
2. 2
   Crawl4AI ★ 84K

   LLM-ready web crawler built for AI data pipelines

   Apache-2.0 Python pushed 2026-09-16 details →
3. 3
   Scrapling ★ 82K

   🕷️ 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 2026-09-14 details →
4. 4
   Apache Superset ★ 75K

   Self-serve data exploration and dashboard builder

   Apache-2.0 Python pushed 2026-09-17 details →
5. 5
   echarts ★ 67K

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

   Apache-2.0 TypeScript pushed 2026-09-16 details →
6. 6
   scrapy ★ 64K

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

   BSD-3-Clause Python pushed 2026-09-17 details →
7. 7
   ClickHouse ★ 50K

   Lightning-fast analytics for massive datasets

   Apache-2.0 C++ pushed 2026-09-17 details →
8. 8
   Metabase ★ 49K

   Unlock data insights with powerful, user-friendly analytics

   NOASSERTION Clojure pushed 2026-09-17 details →
9. 9
   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 →
10. 10
    EasySpider ★ 45K

    A visual no-code/code-free web crawler/spider易采集：一个可视化浏览器自动化测试/数据采集/网页爬虫软件，可以无代码图形化的设计和执行爬虫任务。别名：ServiceWrapper面向Web应用的智能化服务封装系统。

    AGPL-3.0 JavaScript pushed 2026-09-17 details →

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

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