Shintaro Morikawa

cmd-eikana. Application of macOS which switches Alphabet / Kana by pressing left and right command key alone. Other key remapping is also possible.

wterm. A terminal emulator for the web

mcp-server-gsc. A Model Context Protocol (MCP) server providing access to Google Search Console

agent-workspace. Go

git-ai-commit. Generate Git commit messages using local or external LLM CLIs (Claude, Codex, etc.) — no API key required.

XcodeBuildMCP. A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.

eslint-plugin-react-you-might-not-need-an-effect. Catch unnecessary React effects for simpler, faster, safer code.

shopify-app-template-react-router. A template for building Shopify Apps using React Router version 7 and above

qlImageSize. QuickLook and Spotlight plugins to display the dimensions, size and DPI of an image in the title bar instead of the filename. Also preview some unsupported formats like WebP & bpg.

puree-kmp. 🍯 Awesome log aggregator powered by Kotlin Multiplatform

node-oauth2-server-model-prisma. TypeScript

cursorrules.

umami. Umami is a modern, privacy-focused analytics platform. An open-source alternative to Google Analytics, Mixpanel and Amplitude.

Voyager. An Open-Ended Embodied Agent with Large Language Models

CopilotForXcode. The first GitHub Copilot, Codeium and ChatGPT Xcode Source Editor Extension

park-ui. Beautifully designed components built with Ark UI and Panda CSS that work with a variety of JS frameworks.

fzf-git.sh. bash, zsh, and fish key bindings for Git objects, powered by fzf

giginet.usdz.

next-auth-hono-react. Example showing how to use Auth.js with hono and react

sqldef. Idempotent schema management for MySQL, PostgreSQL, SQLite, and SQL Server

mac-custom-url-scheme-to-script. An example repository for building own custom url scheme and pass the parameters to script

publikes. publish twitter likes

the-dilemmas-youll-face. The Dilemmas You'll Face When Creating Your First Component Library

azooKey-Desktop. azooKey-Desktop is an open-source Japanese input method for macOS, written in Swift and powered by the Zenzai neural kana-kanji converter. It provides live conversion, optional LLM-based “Magic Conversions”, and Tuner-backed personalization for a smooth, desktop typing experience.

VideoEditorSwiftUI. Swift

preact-custom-element. Wrap your component up as a custom element

wxt. ⚡ Next-gen Web Extension Framework

tranzlate. Automatic string catalog translation w/ OpenAI's Chat Completion APIs

volta. Volta: JS Toolchains as Code. ⚡

excel2csv. HTML

core. Lightweight syntax highlighter library for the Web and the Terminal

SCLAlertView-Swift. Beautiful animated Alert View. Written in Swift

ui-color. Converting HEX & RGB colors to UIColor for both Objective C & Swift.

pretty-ts-errors. 🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀

yt-dlp. A feature-rich command-line audio/video downloader

deno-simple-survey. Request and collect feedback on messages using reacjis

gpt-slack-matome. Generate news from your slack history powered by ChatGPT API

apigatewayv2_rack. Rack app on AWS Lambda via API Gateway V2, function URL, and ALB

react-inspector. Easily detect React components source code from Chrome!

grex-js. A JavaScript / WebAssembly library for generating regular expressions from user-provided test cases

setup-crate. 📦 GitHub Action to install a Rust crate from a GitHub release

mjml. MJML: the only framework that makes responsive-email easy

hammerspoon-shiftit. A ShiftIt like Hammerspoon window management configuration

ecspresso. ecspresso is a deployment tool for Amazon ECS

tsx. ⚡️ TypeScript Execute | The easiest way to run TypeScript in Node.js

ecs-sample. TypeScript

aws-lambda-rie-gateway. Convert HTTP request to API Gateway payload for aws-lambda-rie

Inquirer.js. A collection of common interactive command line user interfaces.

draftan. TypeScript

envop. Set environment variables from 1Password Secure Notes

typoscript. TypoScript is JavaScript-like language with typos. Some typos in variable and function names are acceptable.

vue-property-decorator. Vue.js and Property Decorator

react-hook-form. 📋 React Hooks for form state management and validation (Web + React Native)

ridgepole. Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL. (like Chef/Puppet)

reach. Reach: A WiFi Channel Analyzer (macOS only for now)

crpm-lambda-container-puppeteer. Example of how to deploy a Lambda function as a container containing Puppeteer, with CRPM

autojump. A cd command that learns - easily navigate directories from the command line

nightlight. A CLI for configuring "Night Shift" on macOS 🌕🌖🌗🌘🌑

dekkai. Modern and fast, really fast, CSV parser for the browser and node.js

mabiki. Provides throttle and debounce, which are compatible with lodash.

pathpida. TypeScript friendly internal link client for Next.js.

kuso.domains. TypeScript

no-search-for-extension. Chrome extension to remove the "People also search for" element

xcode-opener. Open Xcode project by context

pam_reattach. Reattach to the user's GUI session on macOS during authentication (for Touch ID support in tmux)

container-internship. Go

parcel. The zero configuration build tool for the web. 📦🚀

mysql_casual_explain. Highlight problematic MySQL explain results.

zoom_rb. Ruby REST API Wrapper for zoom.us API

rspec-openapi. Generate OpenAPI schema from RSpec request specs

view_source_map. Rails plugin to embed template path as HTML comment.

date-fns. ⏳ Modern JavaScript date utility library ⌛️

jest-date-mock. 🌗 Mock `Date` when run unit test cases with jest. Make tests of Date easier.

bricolage. AWS-oriented Data Warehouse Framework

autodoc. Generate documentation from your rack application & request-spec.

salmon. A static site generator specialized for blogging and designed for rabbits. Not for human.

slack-status-activity. Set your activity to Slack status

minecraft-prometheus-exporter. A Bukkit plugin which exports minecraft server stats to Prometheus

seiseki.pdf. 成績がいいのはドイツ語だけ

himeko. AWS IAM access key self service & management console federated login based on IAM user

gatsby-starter-typescript-plus. A starter kit for TypeScript-based Gatsby projects with sensible defaults.

gatsby-starter-blog-with-lunr. Building upon Gatsby's blog starter with a Lunr.js powered Site Search. https://gatsby-starter-blog-with-lunr.netlify.com/

mysql2sqlite. Converts MySQL dump to SQLite3 compatible dump

frontend-template. My own boilerplate which enables faster development

KeyCast. Record keystroke for screencast

react-switch. A draggable toggle-switch component for React. Check out the demo at:

humr. Makes output human-readable

react-calendar. Ultimate calendar for your React app.

markdown-editor. Live (Github-flavored) Markdown Editor

crx-google-search-results-shortcuts. Keyboard shortcuts for google search results

paper_trail. Track changes to your rails models

plantuml-editor. PlantUML online demo client

rspec-json_matcher. RSpec matcher for testing JSON string

gem-default. Change a non-default gem to a default gem in your local environment

docker-sync. Run your application at full speed while syncing your code for development, finally empowering you to utilize docker for development under OSX/Windows/*Linux

vscode-code-runner. Code Runner for Visual Studio Code

nativefier. Make any web page a desktop application

feeds. Ruby

Lobster. 🦐 Type-safe Firebase-RemoteConfig helper library 🦐

FloatingPanel. A clean and easy-to-use floating panel UI component for iOS

bdash. Simple SQL Client for lightweight data analysis.

UIDeviceComplete. UIDevice extensions that fill in the missing pieces.

revision_plate. Rack application and middleware that serves endpoint returns application's REVISION.

tokite. Ruby

obs-lenkeng. An OBS Studio Plugin for using LKV373 as a HDMI grabber

request-promise. The simplified HTTP request client 'request' with Promise support. Powered by Bluebird.

functions-cron.

SwiftFormat. A command-line tool and Xcode Extension for formatting Swift code

app-privacy-policy-generator. Generate a customized Privacy Policy and Terms of Use document for your mobile apps

Folio-UI-Collection. UI components and live documentation for Folio iOS app

Peafowl. :mahjong: Play Japanese Mahjong in Swift

SwiftHash. 🍕 MD5 in pure Swift

git-fire. :fire: Save Your Code in an Emergency

react-native-fonts. Fonts available out of the box in a React Native project

hakyll-dir-list. Hakyll extension which supports the creation of hierarchical menus from source files in directories and single page sites.

Musical-View. An implementation of a semi-modal view like iOS Music app.

FilterCam. A video capture framework that can easily apply your custom filters.

jasper. Jasper - A flexible and powerful issue reader for GitHub

react-native-dotenv. A Babel preset let you import application configs from .env file (zero runtime dependency)

expo-analytics. Google Analytics integration for use with React Native apps built on Expo

ascii-table. Ascii Tables for JS

Bartinter. Dynamically changes status bar style depending on content behind it

alphaTab. alphaTab is a cross platform music notation and guitar tablature rendering library.

parse-gp5. Parser for the Guitar Pro 5 file format

react-native-elements. Cross-Platform React Native UI Toolkit

create-react-native-app-typescript. Create a React Native app using Typescript on any OS with no build config.

create-react-native-app. Create React Native apps that run on iOS, Android, and web

TypeScript. TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

appcenter-cli. Command-line Interface (CLI) for Visual Studio App Center

snippet-generator. Snippet generator for Visual Studio Code, Sublime Text and Atom

DSPSwift. Digital Signal Processing With Swift

RxSpriteKit. :space_invader: Reactive Extensions for SpriteKit

react-native-puree. A log collector for React Native

KeychainAccess. Simple Swift wrapper for Keychain that works on iOS, watchOS, tvOS and macOS.

retryable. Retryable is general-purpose retrying library, written in Ruby, to simplify the task of adding retry behavior to just about anything.

tslint-config-prettier. Use TSLint with Prettier without any conflict

TypeScript-React-Native-Starter. A starter template for TypeScript and React Native with a detailed README describing how to use the two together.

alfred-http. 💡 An Alfred workflow to quickly lookup HTTP status codes.

alfred-emoji-workflow. Find emoji symbols with Alfred! A nicer alternative to the system emoji picker.

rapa. An API client library for Amazon Product Advertising API, written in Ruby.

WaterfallLayout. water-fall layout in iOS

tab-editor. A browser-based guitar tab editor, similar to TuxGuitar or PowerTab. Work-in-progress.

macdown. Open source Markdown editor for macOS.

NextGrowingTextView. 📝 The next in the generations of 'growing textviews' optimized for iOS 8 and above.

NextLevel. ⬆️ Media Capture in Swift

dmemo. Ruby

Salada. Firebase model framework Salada. Salada is the best Firebase framework.

Player. ▶️ Play and stream media in Swift

terminal-parrot. Go

rxmarbles. Interactive diagrams of Rx Observables

mypy-playground. The mypy playground. Try mypy with your web browser.

RxPlayground. Xcode Playground with RxSwift

ReactiveAutomaton. 🤖 ReactiveCocoa + State Machine, inspired by Redux and Elm.

VTree. VirtualDOM for Swift (iOS, macOS)

Toolbar. Awesome autolayout Toolbar. Toolbar is a library for iOS. You can easily create chat InputBar.

scrapy. scrapers

SwiftyAttributes. A Swifty API for attributed strings

RxPagination. The demo project for "Protocol-Oriented Programming in Networking".

akane. My Reddit client

Eureka. Elegant iOS form builder in Swift

shellcheck. ShellCheck, a static analysis tool for shell scripts

icccig. generate images of itunes card content code. (for readable OCR)

cocoapods-playgrounds. :black_joker: Generate Swift Playgrounds for any library.

Either. Swift µframework of Either, which represents two alternatives.

cyclebot. 🌀🤖

Curry. Swift implementations for function currying

Runes. Infix operators for monadic functions in Swift

HCSStarRatingView. Simple star rating view for iOS written in Objective-C

Snorlax. The ultimate lazy library. An example for being a good library citizen in Swift.

autocompl. A light-weight autocomplete integration for Rails application.

lamma. Lambda management tool

python-digitalocean. 🐍🐳 Python module to manage Digital Ocean droplets

xcprofiler. :chart_with_upwards_trend: CLI to profile compilation time of Swift project

docker-minecraft-server. Docker image that provides a Minecraft Server for Java Edition that automatically installs/upgrades versions, modloaders, modpacks and more at startup

iOSArchitectures. Swift

hml. haskell mahjong library

hubot-tenhou. Draws 14 mahjong (only available on macOS)

diff2html. Pretty diff to html javascript library (diff2html)

wsgi_lineprof. WSGI middleware for line-by-line profiling

neo-meguro-line. super privacy tool powered by machine learning technology

iOS-CleanArchitecture. Swift

green. Green is a clean, colorful, fast python test runner.

PureLayout. The ultimate API for iOS & OS X Auto Layout — impressively simple, immensely powerful. Objective-C and Swift compatible.

Commandant. Type-safe command line argument handling

Toybox. 🧸 Xcode Playground management made easy

zebra. Keynote theme for research presentations

tmux-resurrect. Persists tmux environment across system restarts.

tpm. Tmux Plugin Manager

ImageViewer. An image viewer à la Twitter

awesome-pokemongo. A list of awesome PokemonGO frameworks, libraries, software, resources and links.

romaji. Romaji-Kana transliterator

slack-emoji-pokemon. Slack Pokemon Emojis

docker-letsencryptsh-cloudflare. Dockerfile to create TLS cert files using Let's encrypt automated validation with Cloudflare API.

videotogif. A minimal bash script that converts a video to a gif

dotenv-hs. Load environment variables from dotenv files for Haskell

NibLoaderKit. Tiny utility to load UIView/NSView from nibs

hs-gorira. He is Twitter bot that made by Haskell.

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

Result. Swift type modelling the success/failure of arbitrary operations.

sciblog. A blog made with django designed like a scientific paper written in LaTeX.