Open source. Open possibilities.

The open-source codebase and curriculum for freeCodeCamp.org, a non-profit platform providing free, self-paced certifications in full-stack web development and machine learning.

PDFMathTranslate is an open-source tool for translating scientific PDF documents while preserving their original layout, including formulas, charts, tables of contents, and annotations. It supports multiple translation services and offers CLI, GUI, Docker, and Zotero integration.

TUnit-native math assertion library for .NET: fluent tolerance, sequence, statistics, linear algebra, number theory, and 3D geometry assertions generated into TUnit's Assert.That pipeline; AOT-compatible and reflection-free.

Manim Community is a Python animation engine for creating precise, programmatic explanatory math videos, with a CLI, Jupyter magic, Docker image, and extensive documentation.

A comprehensive numerical and scientific computing standard library for JavaScript and TypeScript, designed for use in browsers and Node.js.