Master programming by recreating your favorite technologies from scratch.

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

A collective list of free APIs

📚 Freely available programming books

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

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

An opinionated list of awesome Python frameworks, libraries, software and resources.

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

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

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

Visual Studio Code

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

A curated list of awesome Go frameworks, libraries and software

Get up and running with Kimi-K2.5, GLM-4.7, DeepSeek, gpt-oss, Qwen, Gemma and other models.

Master the command line, in one page

JavaScript Style Guide

The React Framework

Curated coding interview preparation materials for busy software engineers

The Go programming language

Coding articles to level up your development skills

🦜🔗 The platform for reliable agents.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Production-Grade Container Scheduling and Management

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Empowering everyone to build reliable and efficient software.

Promise based HTTP client for the browser and node.js

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

21 Lessons, Get Started Building with Generative AI