What are some alternatives?
When comparing Helpie Knowledge Base Wiki Plugin and AMuseWiki, you can also consider the following products
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Wikibooks - Wikibooks is a Wikimedia community creating a free library of educational textbooks that anyone can edit.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
CodeTactic CMS - The CodeTactic CMS is a custom content management system based on PHP.
VuePress - A static site generator by Vue.js 🛠️