Best open-source Data & Analytics projects

A declarative engine that generates and renders SVG infographics from a text syntax, designed for AI-driven generation and streaming output.

Open-source web data platform that turns websites into structured APIs for scraping, crawling, search, monitoring and AI extraction.

Open-source product analytics platform combining event analytics, session replay, feature flags, experiments, error tracking, surveys and a data warehouse.

A CLI that renders terminal charts (ASCII, sparklines, bars, columns, heatmaps, braille, SVG) from plain numeric text input.

Config-driven backtesting framework built on Backtrader for testing trading strategies across stocks, crypto, and forex, with an MCP server for AI assistants.

Rust library and CLI that detects whether a PDF is text-based or scanned and converts text-based PDFs to clean Markdown without OCR.

A Rust library and CLI that converts Word, PowerPoint, Excel, OpenDocument, RTF, EPUB, CSV and PDF files into clean GitHub-Flavored Markdown.

Renders every road in a chosen city at once as a map-style visualization, using OpenStreetMap data in the browser.

A self-hosted intelligence dashboard that aggregates 27 open-source data feeds on a 15-minute cycle and sends alerts to Telegram or Discord.

An interactive TypeScript and Three.js solar system simulator that shows how gravity shapes orbits, with a guided tour and real astronomical data.

A-share (China stock market) AI research workstation for market analysis, theme tracking, stock research, portfolio inspection and post-market review, local-first desktop app.

A-share quantitative stock screener that runs six technical strategies after market close and pushes results to Feishu.

A daily radar that spots new AI model, product and repo names across X, Hugging Face, GitHub and sitemaps, and builds keyword tables for them.

Local-first data workspace that connects company databases, SaaS tools and files into one ontology you can query, running on your own computer.

An open-source browser globe that layers live flights, ships, satellites, quakes, traffic and public cameras on photorealistic 3D terrain, with voice control.