Laravel 10+ Content management framework
Cerberus Content Management System
MX-Publisher Modular-CMS System former mxBB Portal and Mx-System.
Quickly search and browse files in a Plone site
CMS .NET in C# (gallery, forum, wiki, blog, multi site all in one)
Managana is a free cross-platform software for digital publication.
WYSIWYG html editor for .NET (C#, VB.NET)
ogeditor is Web-based simple CMS with powerful WYSIWYG/Script editor
MVC2 based HTML 5 enabled Web Application Framework
Open implementation of the Lotus Sametime protocol