ヒューリスティックコンテストのビジュアライザ開発のためのテンプレート

The problem data (Test case generator, judge's solution, task, ...) of Library Checker

Rime: Automation Tool for Programming Contest Organizers

A Slack Export archive viewer that allows you to easily view and share your Slack team's export

https://atcoder.jp/contests/rcl-contest-2021-long

Markdown to html bootstrap page converter

『ゼロから作る Deep Learning』(O'Reilly Japan, 2016)

A list of cool features of Git and GitHub.