Master programming by recreating your favorite technologies from scratch.

😎 Awesome lists about all kinds of interesting topics

A collective list of free APIs

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.

Curated list of project-based tutorials

All Algorithms implemented in Python

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

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

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

Master the command line, in one page

💯 Curated coding interview preparation materials for busy software engineers

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

Tensors and Dynamic neural networks in Python with strong GPU acceleration

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

Clean Code concepts adapted for JavaScript

LLM inference in C/C++

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

An open-source AI agent that brings the power of Gemini directly into your terminal.

Animation engine for explanatory math videos

A list of awesome beginners-friendly projects.

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

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

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

Collection of awesome LLM apps with AI Agents and RAG using OpenAI, Anthropic, Gemini and opensource models.

🗂 The perfect Front-End Checklist for modern websites and meticulous developers

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

A curated list of awesome Machine Learning frameworks, libraries and software.

Source code for the X Recommendation Algorithm