A collective list of free APIs

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

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

The agent engineering platform.

Public repository for Agent Skills

Magnificent app which corrects your previous console command.

Scrapy, a fast high-level web crawling & scraping framework for Python.

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

Developer-first error tracking and performance monitoring

the only cheat sheet you need

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

🦔 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…

An extremely fast Python type checker and language server, written in Rust.

Gel supercharges Postgres with a modern data model, graph queries, Auth & AI solutions, and much more.

Hindsight: Agent Memory That Learns

Turn your software into a business.

Advancing Open-source World Models

TTS model capable of streaming conversational audio in realtime.

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