The PHP Interpreter

A new mruby virtual machine implemented in C#.

Pure Ruby LALR parser generator

Easily debug Ruby applications

Visualize, explore, and interact with your Rails application's models and associations with ease.

Alba is a JSON serializer for Ruby, JRuby and TruffleRuby.

Packet Analyzer powered by Wireshark compiled for WebAssembly

無料で商用にも使える日本の郵便番号API

Interactive JSON filter using jq

Samples for the Google Wallet REST APIs

Terraform module for scalable GitHub action runners on AWS

IRB with Typed Completion

lambroll is a minimal deployment tool for AWS Lambda.

ECS runs PHP-CS-Fixer and PHP_CodeSniffer as a single, parallel fast tool with zero dependencies. Run on PHP 7.2+

Updates major/minor release tags on a tag push

⚡ Automates terminal operations.

Pairwise Independent Combinatorial Tool

automatically creates and updates a pull request for unreleased items, tag them when they are merged, and create releases.

Questions to ask the company during your interview

tbls is a CI-Friendly tool to document a database, written in Go.

Dependency free PHP library that helps to map any input into a strongly-typed structure.

Slack remind generator

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

GitHub Action to publish artifacts to GitHub Pages for deployments

A collection of modern/faster/saner alternatives to common unix commands.

GitHub Actions runner images