Open source. Open possibilities.

Taipy is a Python framework designed for data scientists and ML engineers to build and deploy production-ready data and AI-driven web applications without needing to learn front-end languages.

Microsoft's 10-week, 20-lesson data science curriculum for beginners, with project-based lessons, quizzes, and 50+ language translations.

deck.gl is a GPU-powered visualization framework designed for high-performance rendering of large-scale data sets using WebGL2 and WebGPU.

A local, read‑only dashboard that visualizes Claude Code usage—token counts, cost estimates, sessions, tools, skills, projects, and activity patterns—by scanning ~/.claude/projects/ and serving a FastAPI‑based UI.

VectorBT is an open-source Python backtesting library that vectorizes strategy research: it packs thousands of parameter combinations into NumPy arrays and accelerates them with Numba and an optional Rust engine, plus portfolio analytics and interactive Plotly visualization.

An interactive analytics and data visualization component designed for large, real-time, and streaming datasets.

A CLI tool for processing railway speed restriction data from spreadsheets and visualizing them on HTML maps.

A data research and analysis platform that enables users to import custom datasets for visualization and analysis.

Evidence is an open-source, code-based alternative to drag-and-drop BI tools: build fast, interactive reports with SQL and markdown, then publish or self-host the generated static site.

Apache Superset is a modern, enterprise-ready business intelligence web application used for data exploration and visualization.

Retentioneering is an open‑source Python toolkit that provides reproducible product analytics on clickstream and event‑log data. It offers chainable data processors, interactive Jupyter widgets, a DuckDB‑backed Eventstream, and an MCP server that lets LLM agents run and validate analyses, producing shareable HTML reports.

D3 is a free, open-source JavaScript library for visualizing data. Built on web standards with a low-level approach, it renders dynamic, data-driven graphics using SVG, Canvas and HTML, and serves as a foundation for many higher-level chart libraries.

Fit.ly is a self‑hosted web analytics platform for endurance athletes that pulls data from Strava, Oura, Withings, Stryd, Peloton, Fitbod, Nextcloud and Spotify to deliver personalized dashboards, performance metrics and music recommendations.

Litlyx is an open-source, cookie-free analytics solution with an AI-powered dashboard. It offers a one-script install, npm package, custom events, cURL API, cloud or Docker self-hosting, and Apache 2.0 licensing.

DataEase is an open-source BI tool that supports the rapid creation of data visualization charts via drag-and-drop, helping users analyze data and gain insights into business trends.

Plotly.js is a standalone JavaScript data visualization library used to create a wide variety of interactive charts and graphs.

SYNAPSE is an AI-powered intelligence aggregation and automation platform featuring a multi-agent system and RAG capabilities for research and document generation.

Kepler.gl is a high-performance, open-source geospatial analysis tool designed for the visual exploration of large-scale geolocation datasets.

marimo is a reactive Python notebook that ensures consistency between code and outputs, stored as pure Python files for git-friendliness and deployability.