since 1983, developing the free unix style operating system gnu, so that computer users can have the freedom to share and improve the software they use.

oh my zsh is a delightful, open source, community-driven framework for managing your zsh configuration.

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

the official home of the python programming language

linux、データベース、サイバーセキュリティをハンズオン形式で学習できます。インフラ・環境構築を学習できる日本唯一のサービスです。

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

iterm2 is a replacement for terminal and the successor to iterm

kde is an open community of friendly people who want to create a world in which everyone has control over their digital life and enjoys freedom and privacy.