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.

A feature-rich command-line audio/video downloader

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Tensors and Dynamic neural networks in Python with strong GPU acceleration

Robust Speech Recognition via Large-Scale Weak Supervision

Magnificent app which corrects your previous console command.

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

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

Financial data platform for analysts, quants and AI agents.

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: …

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

A community-maintained Python framework for creating mathematical animations.

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous …

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.

Intelligent automation and multi-agent orchestration for Claude Code

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, d…

If you live in the terminal, kitty is made for you! Cross-platform, fast, feature-rich, GPU based.

Set up a personal VPN in the cloud

🔒 Consolidating and extending hosts files from several well-curated sources. Optionally pick extensions for porn, social media, and other categories.

🗃 Open source self-hosted web archiving. Takes URLs/browser history/bookmarks/Pocket/Pinboard/etc., saves HTML, JS, PDFs, media, and more...

Google Chromium, sans integration with Google

Download your Spotify playlists and songs along with album art and metadata (from YouTube if a match is found).

Project documentation with Markdown.

Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

The Inter font family

Stable Diffusion with Core ML on Apple Silicon

music library manager and MusicBrainz tagger

Deduplicating archiver with compression and authenticated encryption.