ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
MkDocs - Project documentation with Markdown.
LightShot - The fastest way to take a customizable screenshot.
Docusaurus - Easy to maintain open source documentation websites