LinkAce - Your self-hosted bookmark archive. Free and open source.
Form Tools
CandidATS download | SourceForge.net
Cockpit
Grav - A Modern Flat-File CMS | Official home of Grav CMS
phpMyFAQ - Demo
InvoicePlane - An Open Source Invoicing Application - InvoicePlane - An Open Source Invoicing Application
Flarum – Forums Made Simple
Collabtive Open Source Project Management Software and Groupware - Collabtive Open Source Project Management, Project Mangement Tool and Resource for Collabtive Use