next.js by vercel is the full-stack react framework for the web.

speaker deck is the best way to share presentations online. simply upload your slides as a pdf, and we’ll turn them into a beautiful online experience. view them on speakerdeck.com, or share them on any website with an embed code.

teratail（テラテイル）はプログラミングに特化したq&aサイトです。実現したい機能や作業中に発生したエラーについて質問すると、他のエンジニアから回答を得られます。

figma is the leading collaborative design tool for building meaningful products. seamlessly design, prototype, develop, and collect feedback in a single platform.

write and link notes, docs, and pages in a way that's surprisingly simple. build knowledge faster in public or private, solo or with your team.

クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作を楽しんで続けられるよう、安心できる雰囲気や、多様性を大切にしています。

modernize workflows with zoom's trusted collaboration tools: including video meetings, team chat, voip phone, webinars, whiteboard, contact center, and events.

a new tool that blends your everyday work apps into one. it's the all-in-one workspace for you and your team.

connpass is a web service where you can easily create, and promote your events. organizing your community or group, search, and paid events are supported.