A collective list of free APIs

📚 Freely available programming books

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

Stable Diffusion web UI

A feature-rich command-line audio/video downloader

Command-line program to download videos from YouTube.com and other video sites

The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.

real time face swap and one-click video deepfake with only a single image

🏡 Open source home automation that puts local control and privacy first.

Hunt down social media accounts by username across social networks

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

ALL IN ONE Hacking Tool For Hackers

The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3

💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

openpilot is an operating system for robotics. Currently, it upgrades the driver assistance system on 300+ supported cars.

Clone a voice in 5 seconds to generate arbitrary speech in real-time

A collection of learning resources for curious software engineers

Odoo. Open Source Apps To Grow Your Business.

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Free, open source crypto trading bot

Focus on prompting and generating

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

Official Code for DragGAN (SIGGRAPH 2023)

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

A visual, example-driven guide to Claude Code — from basic concepts to advanced agents, with copy-paste templates that bring immediate value.

Open-Sora: Democratizing Efficient Video Production for All