Prettier : Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re-printing it with its own rules that take the max...
Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
Lerna : A tool for managing JavaScript projects with multiple packages.
code2flow : Interactive code to flowchart converter. Turn your workflows, algorithms and manuals into easy to understand diagrams via simple code.
Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. The main purpose of Mermaid is to help documentation catch up with development.