Category
page 1Software documentation
GNU Free Documentation License
copyleft license primarily for free software documentation

README
thumb|Screenshot of the README file of cURL
DocBook
DocBook is a semantic markup language for technical documentation. It was originally intended for writing technical documents related to computer hardware and software, but it can be used for any other sort of documentation.
software documentation
help content, typically written text, that accompanies computer software and explains its functionality
software requirements specification
functional and non-functional requirements that a designed software needs to fulfil, may include a set of use cases
functional specification
specification that describes the characteristics of an object
IEEE 829
IEEE standard
Software Design Description
written design description of a software product
Microsoft Docs
Microsoft technical documentation library

FLOSS Manuals
non-profit organization that creates free software manuals
Microsoft Learn
Microsoft documentation and training library