GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
CloudShell - Cloud Shell is a free admin machine with browser-based command-line access for managing your infrastructure and applications on Google Cloud Platform.
MkDocs - Project documentation with Markdown.
CodeTasty - CodeTasty is a programming platform for developers in the cloud.
Docusaurus - Easy to maintain open source documentation websites