macOS Quick Look extension for Markdown files.

Enforce duck-typed interfaces in Ruby through your test suite.

Basecamp CLI and Agent Skills

mactop - Apple Silicon Monitor Top

A very fast json builder for Rails

Linked Listを実装しながらRustの所有権を学ぼうというリポジトリです。

Internationalization (i18n) library for Ruby

Rails app used in book 📚 "High Performance PostgreSQL for Rails"

A performance dashboard for Postgres

Master programming by recreating your favorite technologies from scratch.

A Test::Unit runner that can run tests by line number.

mactop - Apple Silicon Monitor Top

ruby bindings to libgit2

Kanban as it should be. Not as it has been.

A Language Server for Postgres

encrypted/remote secret manager

A themeable LS_COLORS generator with a rich filetype datebase

A tool for creating and running Linux containers using lightweight virtual machines on a Mac. It is written in Swift, and optimized for Apple silicon.

dev tools, env vars, task runner

Generate Open Graph images for your Astro site using Takumi.

DiverDown is a tool designed to dynamically analyze application dependencies and generate a comprehensive dependency map.

Define once in Ruby. Generate everywhere in TypeScript.

IdentityCache is a blob level caching solution to plug into Active Record. Don't #find, #fetch!

Super simple group chat, without a subscription

Enable a Rails application to have separate databases for each tenant.

Rails N+1 queries auto-detection with zero false positives / false negatives

Rails push notifications for mobile platforms