The React Framework

The repository for high quality TypeScript type definitions.

Ruby on Rails

Promise based HTTP client for the browser and node.js

The library for web and native user interfaces.

Your self-hosted, globally interconnected microblogging community

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)

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

Find newer versions of package dependencies than what your package.json allows

🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.

Dead simple Object schema validation

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

🚫💩 — Run tasks like formatters and linters against staged git files

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Convert yarn.lock to package-lock.json and vice versa

Simplenote for macOS

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

Tracking ECMAScript Proposals

Repository of Japanese Ruby reference manual

Git hooks made easy 🐶 woof!

A JS library for predictable global state management

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

String validation

Social media share buttons and share counts for React

Object-based searching.

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

React とは何であるのか（執筆中）

The source of r7kamura.com.

React Hooks — 👍