Repository Index

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

• learn-to-code
• nonprofits
• programming
• nodejs

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

• computer-science
• roadmap
• developer-roadmap
• frontend-roadmap

A complete computer science study plan to become a software engineer.

• computer-science
• interview
• programming-interviews
• study-plan

🎓 Path to a free self-taught education in Computer Science!

• computer-science
• awesome-list
• courses
• curriculum

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

• javascript
• algorithms
• algorithm
• javascript-algorithms

:books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计

• algorithm
• leetcode
• interview
• computer-science

Crack LeetCode, not only how, but also why.

• leetcode
• algorithms
• interview-questions
• data-structures

Papers from the computer science community to read and discuss.

• computer-science
• read-papers
• meetup
• papers

A collection of (mostly) technical things every software developer should know about

• cc-by
• computer-science
• educational
• novice

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

• ocr
• chineseocr
• pdf2markdown
• pp-ocr

12 weeks, 26 lessons, 52 quizzes, classic Machine Learning for all

• ml
• data-science
• machine-learning
• machine-learning-algorithms

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

• aws
• cloud-computing
• coding-interviews
• computer-science

List of Computer Science courses with video lectures.

• computer-science
• algorithms
• systems
• databases

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

• extract-data
• layout-analysis
• ocr
• parser

The 30 Days of Python programming challenge is a step-by-step guide to learn the Python programming language in 30 days. This challenge may take more than 100 days. Follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw

• 30-days-of-python
• python
• flask
• github

Apache Superset is a Data Visualization and Data Exploration Platform

• superset
• apache
• apache-superset
• data-visualization

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

• system-design
• backend
• scalability
• interview

:books: List of awesome university courses for learning Computer Science!

• computer-science
• courses
• awesome-list
• awesome

scikit-learn: machine learning in Python

• machine-learning
• python
• statistics
• data-science

Deep Learning for humans

• deep-learning
• tensorflow
• neural-networks
• machine-learning

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 databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.

• ai-scientist
• bioinformatics
• chemoinformatics
• claude

LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

• algorithm
• leetcode
• interview
• computer-science

A collection of learning resources for curious software engineers

• read-articles
• programmer
• professional
• scalability

Python Data Science Handbook: full text in Jupyter Notebooks

• scikit-learn
• numpy
• python
• jupyter-notebook