Outline : Team wiki, documentation, meeting notes, playbooks, onboarding, work logs, brainstorming, & more…
DokuWiki : DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
PhpWiki : PhpWiki is a clone of the original WikiWikiWeb
LibreNMS : A fully featured network monitoring system that provides a wealth of features and device support.
ProjectPier.org : ProjectPier is a Free, Open-Source, PHP application for managing tasks, projects and teams through an intuitive web interface. It must be downloaded a...
WikkaWiki is a flexible, standards-compliant and lightweight wiki engine written in PHP, which uses MySQL to store pages.