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.

All Algorithms implemented in Python

A feature-rich command-line audio/video downloader

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

FastAPI framework, high performance, easy to learn, fast to code, ready for production

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

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

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

Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy and maintain. Automate everything from code deployment to network configuration to clo…

The official gpt4free repository | various collection of powerful language models | o4, o3 and deepseek r1, gpt-4.1, gemini 2.5

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

🌟 The Multi-Agent Framework: First AI Software Company, Towards Natural Language Programming

Financial data platform for analysts, quants and AI agents.

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

Interact with your documents using the power of GPT, 100% privately, no data leaks

CLI platform to experiment with codegen. Precursor to: https://lovable.dev

ALL IN ONE Hacking Tool For Hackers

Odoo. Open Source Apps To Grow Your Business.

The definitive Web UI for local AI, with powerful features and easy setup.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Developer-first error tracking and performance monitoring

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

Portable file server with accelerated resumable uploads, dedup, WebDAV, SFTP, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file

🎨 Diagram as Code for prototyping cloud system architectures

Making large AI models cheaper, faster and more accessible

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: …

Federated Query Engine for AI - The only MCP Server you'll ever need

A community-supported supercharged document management system: scan, index and archive all your documents