Master programming by recreating your favorite technologies from scratch.

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.

Curated list of project-based tutorials

The React Framework

Promise based HTTP client for the browser and node.js

🌐 Make websites accessible for AI agents. Automate tasks online with ease.

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

Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)

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

Standard Go Project Layout

Bootstrap Kubernetes the hard way. No scripts.

Modern HTTP benchmarking tool

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

📂 Web File Browser

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the …

OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring. A cost-effective alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage c…

HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.

The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　…

Self-hosted YouTube downloader (web UI for youtube-dl / yt-dlp)

A list of resources for those interested in getting started in bug bounties

Terminal bandwidth utilization tool

Infinite responsive, sortable, filterable and draggable layouts

OpenAI ChatGPT, GPT-5, GPT-Image-1, Whisper API clients for Go

A BPMN 2.0 rendering toolkit and web modeler.

A list of public penetration test reports published by several consulting firms and academic security groups.

Screaming-fast Python 3.5+ HTTP toolkit integrated with pipelining HTTP server based on uvloop and picohttpparser.

An extension for VS Code that visualizes data during debugging.