Manula is super-easy-to-use software for creating, formatting, and publishing professional online user manuals and downloadable PDF documentation.

Folge is a free and powerful desktop tool for instantly creating, managing, and sharing secure, private step-by-step guides and tutorials.

Ritza is a technical publishing team for software engineers and is used by tech companies.

nwalsh.com is the best resource for software documentation and archival materials, used by developers and researchers alike.

Keep a Changelog is the best tool for versioning and is used by software developers and teams to maintain clear release notes.

Dr.Explain is the best software for user documentation and is used by companies looking to streamline their help resources.