Graph-powered code intelligence engine — indexes codebases into a knowledge graph, exposed via MCP tools for AI agents and a CLI for developers.

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

magic-trace collects and displays high-resolution traces of what a process is doing

A collection of GitHub Actions for BrowserStack. For internal reference: https://browserstack.atlassian.net/wiki/spaces/ENG/pages/1750928573/GitHub+Integration+via+GitHub+Actions

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Push platform for realtime and bidirectional communication between clients and servers

Dedicated Resources for the Low-Level System Design. Learn how to design and implement large-scale systems. Prep for the system design interview.

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

Learn Low Level Design (LLD) and prepare for interviews using free resources.

Educational framework exploring ergonomic, lightweight multi-agent orchestration. Managed by OpenAI Solution team.

Gaining advanced insights from Git repository history.

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

JunoDB is PayPal's home-grown secure, consistent and highly available key-value store providing low, single digit millisecond, latency at any scale.

Stacked Pull Requests on GitHub

SQL builder and query library for golang

Juniper is an extension to the Go standard library using generics, including containers, iterators, and streams.

A collective list of free APIs

Tracking the history and size of AWS's ip-ranges.json file

Powerful terminal based viewer for JSON logs using ncurses.

Compact in-memory representation of directed graph data

Fast passive subdomain enumeration tool.

A curated list of awesome Go frameworks, libraries and software

The painless way to host your own Git service

A streaming way to send data to a Node.js Worker Thread

Concurrent ssh-tail sessions and sink option

Fast, in memory work queue

Implementation of a RegExp crossword.

Karabiner-Elements is a powerful tool for customizing keyboards on macOS