freeCodeCamp
by freeCodeCampfreeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
Scientific computing, simulations, CAD and robotics tools used in labs and classrooms worldwide.
Made for students, researchers, engineers and curious minds.
Scientific Computing (50)Physics Simulations (50)Mathematics (50)Chemistry (50)Biology (50)Astronomy (50)Robotics (50)Electronics (50)CAD Tools (49)Engineering Calculators (50)Geographic Information Systems (50)
Across all subcategories, ranked by GitHub stars.
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
💫 Toolkit to help you get started with SDD or any other process!
List of Computer Science courses with video lectures.
Spec-driven development (SDD) for AI coding assistants.
openpilot is an operating system for robotics. Currently, it upgrades the driver assistance system on 300+ supported cars.
A spy satellite simulator in your browser, except the data is real. Live open source spatial intelligence on a photorealistic 3D globe.
Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 250,000+ scientists worldwide. 177 ready-to-use validated skills plus 100+ scientific…
ClickHouse® is a real-time analytics database management system
The Julia Programming Language
An ultra-simplified explanation to design patterns
Learn how to design systems at scale and prepare for system design interviews
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。
A community-maintained Python framework for creating mathematical animations.
[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
FCC China open source codebase and curriculum. Learn to code and help nonprofits.
Cross-platform, customizable ML solutions for live and streaming media.
A simple and easy-to-use library to enjoy videogames programming
Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.
Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
✅ Solutions to LeetCode by Go, 100% test coverage, runtime beats 100% | LeetCode 题解
Python sample codes and textbook for robotics algorithms.
:memo: An awesome Data Science repository to learn and apply for real world problems.
Machine Learning Systems: Foundations, Scaling, Agentic AI, and Physical AI (Vols I–IV) • Harvard CS249r | https://mlsysbook.ai
Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more
Open-source 3D architectural editor with a local CLI, MCP tools, and practical workflows for humans and AI agents.
Design physical products with AI
Data Apps & Dashboards for Python. No JavaScript Required.
This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.
Conversational RPA SDK for Chatbot Makers. Join our Discord: https://discord.gg/7q8NBZbQzt
Collection of various algorithms in mathematics, machine learning, computer science, physics, etc implemented in C for educational purposes.
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
Fast math typesetting for the web.
Simple animation libraries for delightful user interfaces
A collection of algorithms and data structures
a 2D rigid body physics engine for the web ▲● ■
💿 Free software that works great, and also happens to be open-source Python.
QuestDB is a high performance, open-source, time-series database
Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
[Lumina具身智能社区] 具身智能技术指南 Embodied-AI-Guide
A curated list of awesome mathematics resources
Create web-based user interfaces with Python. The nice way.
ArduPlane, ArduCopter, ArduRover, ArduSub source
A lightweight, lightning-fast, in-process vector database
Burn is a next generation tensor library and Deep Learning Framework that doesn't compromise on flexibility, efficiency and portability.
Multi-Joint dynamics with Contact. A general purpose physics simulator.
An open-source JavaScript library for world-class 3D globes and maps :earth_americas:
GPU Accelerated JavaScript
📚 Study guide and introduction to the modern front end stack.