nanosupport

Create a fully featured Support Center in your WordPress setup without any third party dependency, completely FREE. Get a built-in Knowledgebase too. The plugin is available on WordPress.org repository:. Maintained by mayeenulislam on GitHub, where it has earned 52 stars from the community.

It's actively developed around wordpress, support-ticket, knowledgebase, and is a solid reference for anyone building with these tools.