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freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

[EMNLP 2025 Demo] PDF scientific paper translation with preserved formats - 基于 AI 完整保留排版的 PDF 文档全文双语翻译，支持 Google/DeepL/Ollama/OpenAI 等服务，提供 CLI/GUI/MCP/Docker/Zotero

A community-maintained Python framework for creating mathematical animations.

The math library of Lean 4

An intuitive spreadsheet-like interface that lets users of all technical skill levels view, edit, query, and collaborate on Postgres data directly—100% open source and self hosted, with native Postgres access control.

Text editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..

Fast math typesetting for the web.

x86-64 Operating System

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

SIMD math library for Zig game developers

A powerful Swift framework for evaluating natural language math expressions

An extensive math library for JavaScript and Node.js

:coffee: Symja - computer algebra language & symbolic math library. A collection of popular algorithms implemented in pure Java.

MathCode: A Frontier Mathematical Coding Agent

MathClaw is a multimodal learning assistant designed for middle and high school mathematics.

A Windows math workspace for screenshot OCR, handwriting-to-LaTeX, editing, preview, and symbolic computation, powered by MathCraft OCR and MathLive.

Homebrew tap for PHP extensions :beers:

This book will be a textbook written in the univalent style, taking advantage of the presence of symmetry in the logic at an early stage.

Kokkos C++ Performance Portability Programming Ecosystem: Math Kernels - Provides BLAS, Sparse BLAS and Graph Kernels

A Java math library for OpenGL rendering calculations

A new home for asciimathml

Modeling language for Mathematical Optimization (linear, mixed-integer, conic, semidefinite, nonlinear)

Beautiful and accessible math in all browsers

A pure rust library for reading and writing spreadsheet files

Animation engine for explanatory math videos

math and logic formula parser and evaluator

Catch API bugs before your users do

Math Parser: Java, C#, C++, Kotlin, Android, and all .NET platforms (Nuget, Maven, CMake). Supports .NET Framework, .NET Core, .NET Standard, Xamarin, and more. Features: rich built-in library of math functions, operators, constants. Flexible in user-defined arguments, functions. Expressions provided as plain text. Easy to use. Well documented.

Shared context, memory, and task coordination across AI coding agents. Single Go binary, local SQLite, hybrid keyword and semantic search.

Imath is a C++ and python library of 2D and 3D vector, matrix, and math operations for computer graphics

Homebrew tap for PHP 5.6 to 8.6. PHP 8.6 is built nightly :beer:

Prodigymathgamehacking || prodigy hacks || prodigymathgame

GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and various tools.

Source code for the Mathematics in Lean tutorial.

An incremental guide to continuum robot mathematical modeling and numerical implementation. The examples are divided into chapters within the folder structure, and each chapter contains a PDF and code examples.

Mathematica implementations of machine learning algorithms used for prediction and personalization.

TeX-to-MathML conversion library in JavaScript

This project is a Graphing Scientific Calculator based on the ESP32 microcontroller, designed to compete with commercial models (Casio fx-991EX, TI-84) by means of a color TFT screen, natural display (correctly rendered mathematical formulas) and a modular application architecture.

C++ Mathematical Expression Parsing And Evaluation Library https://www.partow.net/programming/exprtk/index.html

EN: ManimCat: AI-generated math animations from natural language. High-quality Manim rendering with LaTeX support and auto-code fixing. 中: ManimCat：AI 数学动画生成器。支持描述即视频，内置 LaTeX 与代码纠错，让数学动效触手可及。

Convert graphs generated by Graphviz to LaTeX friendly formats

A high-performance, 100% client-side tool for removing watermarks from images generated by Google Gemini AI. Built with pure Vanilla JavaScript, it uses a mathematically precise Reverse Alpha Blending algorithm to restore pixels with zero quality loss.

C++ Mathematical Expression Parser Benchmark

neutriNote - the original Markdown + Math note app. Programmatically extensible. Sync-ready note storage. Non-commerical. No lock-ins. Only 3 MB footprint & highly optimized. Designed for plaintext purists.