zellij is a workspace aimed at developers, ops-oriented people and anyone who loves the terminal. Similar programs are sometimes called "Terminal Multiplexers"
comaps.app — Free and open navigation with privacy Built by the community
plainvanillaweb.com — An explainer for doing web development using only vanilla techniques. No tools, no frameworks — just HTML, CSS, and JavaScript.
hokusai is A backend agnostic ruby framework for building reactive desktop applications