DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
TiddlyWiki - a non-linear personal web notebook
Splash - Anyone can create a Splash event, whether you're a company hosting a single event or an individual hosting a personal event like a birthday or wedding. Get Started for Free. Text goes here. X. Full Event Program.