Helpie Knowledge Base Wiki Plugin is described as 'The Most Advanced WordPress Knowledge Base Plugin Build a WordPress Knowledge Base with access control, frontend editing, and many more power-packed | Helpie Knowledge Base Plugin' and is an app. There are more than 50 alternatives to Helpie Knowledge Base Wiki Plugin for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and Mac apps. The best Helpie Knowledge Base Wiki Plugin alternative is TiddlyWiki, which is both free and Open Source. Other great apps like Helpie Knowledge Base Wiki Plugin are Ibis Wiki, MediaWiki, BookStack and Foam.