Plugin Tag: help center:

WPHelpKit

(2 total ratings)

Create a fully featured Help Center site (Knowledge Base, Documentation, Wiki, FAQs) with WordPress.

WP HelpKit Fewer than 10 active installations Tested with 6.7.5
Instant Knowledge Base

(1 total ratings)

Create a fast, searchable knowledge base and docs in WordPress with AJAX search, FAQ schema, and analytics.

Seventh Sky Fewer than 10 active installations Tested with 6.9.4
DearDocs – Documentation, Knowledge Base, Help Center & FAQs

(2 total ratings)

Create a searchable Documentation site, Knowledge Base, or Help Center. Manage your support wiki and product docs with this powerful WordPress plugin.

codersuraz Fewer than 10 active installations Tested with 6.9.4