A very simpleCMS, where you can create a series mini portals to upload documents, create, edit and link pages easily. It provides a WEBDAV interface and a WYSIWYG html editor by interfacing with open source modules. Easily customizable.
An web system for small university courses, typically postgrad. Simple to install/maintain, easy for "teachers" with any scripting skills to extend. Alternative to big-iron VLEs/LMSs. Forums, quizzes, timetables, cms, year and user management, etc.