Best Repositories for Beginners

build-your-own-x

by codecrafters-io

Master programming by recreating your favorite technologies from scratch.

freeCodeCamp

by freeCodeCamp

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

free-programming-books

by EbookFoundation

:books: Freely available programming books

awesome-selfhosted

by awesome-selfhosted

A list of Free Software network services and web applications which can be hosted on your own servers

project-based-learning

by practical-tutorials

Curated list of project-based tutorials

the-book-of-secret-knowledge

by trimstray

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

Python

by TheAlgorithms

All Algorithms implemented in Python

n8n

by n8n-io

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

FreeDomain

by DigitalPlatDev

Free domain registration and practical DNS learning resources for everyone.

You-Dont-Know-JS

by getify

A book series (2 published editions) on the JS language.

prompts.chat

by f

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

dify

by langgenius

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to…

system-prompts-and-models-of-ai-tools

by x1xhlol

FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit,…

hello-algo

by krahets

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

30-seconds-of-code

by Chalarangelo

Coding articles to level up your development skills

awesome-design-md

by VoltAgent

A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.

Awesome-Hacking

by Hack-with-Github

A collection of various awesome lists for hackers, pentesters and security researchers

free-programming-books-zh_CN

by justjavac

:books: 免费的计算机编程类中文书籍，欢迎投稿

awesome-mac

by jaywcjlove

 This project is dedicated to collecting high-quality macOS software and organizing them systematically by different categories for easy search and use.

HowToCook

by Anduin2017

Programmer's guide about how to cook at home.

app-ideas

by florinpop17

A Collection of application ideas which can be used to improve your coding skills.

awesome-mcp-servers

by punkpeye

A collection of MCP servers.

Web-Dev-For-Beginners

by microsoft

24 Lessons, 12 Weeks, Get Started as a Web Developer

ML-For-Beginners

by microsoft

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

hello-agents

by datawhalechina

📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程

llm-course

by mlabonne

Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

cs-video-courses

by Developer-Y

List of Computer Science courses with video lectures.

learn-claude-code

by shareAI-lab

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

ai-engineering-from-scratch

by rohitg00

Learn AI Engineering! Learn it. Build it. Ship it for others.

awesome-scalability

by binhnguyennus

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

awesome-react

by enaqx

A collection of awesome things regarding React ecosystem

strapi

by strapi

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

awesome-nodejs

by sindresorhus

:zap: Delightful Node.js packages and resources [BECAUSE OF TOO MUCH SPAM AND LOW-QUALITY SUBMISSIONS, SUBMISSIONS ARE PAUSED TEMPORARILY]

nocodb

by nocodb

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

awesome-flutter

by Solido

An awesome list that curates the best Flutter libraries, tools, tutorials, articles and more.

serviette

by pathwaycom

A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.

awesome-android-ui

by wasabeef

A curated list of awesome Android UI/UX libraries

awesome-claude-code

by hesreallyhim

A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at…

first-contributions

by firstcontributions

🚀✨ Help beginners to contribute to open source projects

DeepTutor

by HKUDS

DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.

material-design-icons

by google

Material Design icons by Google (Material Symbols)

open-source-ios-apps

by dkhamsing

:iphone: Collaborative List of Open-Source iOS Apps

100-Days-Of-ML-Code

by Avik-Jain

100 Days of ML Coding

supervision

by roboflow

We write your reusable computer vision tools. 💜

open-source-mac-os-apps

by serhii-londar

🚀 Awesome list of open source applications for macOS. https://t.me/s/opensourcemacosapps

design-patterns-for-humans

by nilbuild

An ultra-simplified explanation to design patterns

JeecgBoot

by jeecgboot

【AI 时代的业务系统基座】企业级 AI 低代码平台：权限、多租户、工作流、报表、大屏、AI 知识库等通用能力开箱即用，AI 只需生成业务差异部分。AI Skills 一句话生成完整系统——建表、前后端代码、菜单权限、BPM 流程、表单、报表、大屏全自动。内置 AI 应用平台（聊天、知识库、流程编排、MCP），兼容主流大模型。Java +…

GitHubDaily

by GitHubDaily

坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.

frontend-dev-bookmarks

by dypsilon

Manually curated collection of resources for frontend web developers.

system-design

by karanpratapsingh

Learn how to design systems at scale and prepare for system design interviews