Extracted system prompts from ChatGPT (GPT-5.4, GPT-5.3, Codex), Claude (Opus 4.6, Sonnet 4.6, Claude Code), Gemini (3.1 Pro, 3 Flash, CLI), Grok (4.2, 4), Perplexity, and more. Updated regularly.

Create stunning demos for free. Open-source, no subscriptions, no watermarks, and free for commercial use. An alternative to Screen Studio.

A file server

A minimalist text editor that lives in URL

An open source, privacy focused alternative to NotebookLM for teams with no data limit's. Join our Discord: https://discord.gg/ejRNvftDp9

Your easy to use, always-on AI workforce 👾

A curated list of engineering blogs

The codebase for Exercism's website.

Inference code for Llama models

Audiocraft is a library for audio processing and generation with deep learning. It features the state-of-the-art EnCodec audio compressor / tokenizer, along with MusicGen, a simple and controllable…

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Infection Monkey - An open-source adversary emulation platform

✨ Yao is a single-binary runtime to build and run autonomous agents — no Python, no Node.js, just define the role.

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

Master programming by recreating your favorite technologies from scratch.

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

A complete computer science study plan to become a software engineer.

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