Codelabs management & hosting tools : Codelabs are interactive instructional tutorials, which can be authored in Google Docs using some simple formatting conventions. You can also author c...
Docusaurus : Easy to Maintain Open Source Documentation Websites
Zettlr : Markdown editor to help organize research notes, with full Zettelkasten support.
docopt : Command-line interface description language
ADR Tools : A command-line tool for working with Architecture Decision Records (ADRs).
MkDocs is a fast, simple and downright gorgeous static site generator that's geared towards building project documentation. Documentation source files are written in Markdown, and configured with a single YAML configuration file.