If I were to create a knowledgebase, what solution would I use? How about a Wix blog?
Wix websites are free
Wix websites are $15/month (discount if paid annually) to remove Wix banner and connect your own domain
Google Domains are $12/year
Wix blogs allow you to use categories and tags.
The categories show up in the top navigation menu.
The search feature is powerful.
The layouts are stylish and modern.
The interface is incredibly user-friendly and intuitive.
One-and-a-half minute Crowdcast with video walkthrough of a Wix blog: https://www.crowdcast.io/e/knowledgebase