The open source Campus/Academia management market has largely not had any significant Academia Management Systems (AMS) to speak off. Most of the open source solutions out there are basic Student Information Systems (SIS), and which are targetted at the High Schools / K12 markets.
We have however, been developing a proper and comprehensive open source Academia Management System, A1Academia (http://academia.A1.io) and we are already past the first release.
Currently, most of the major functionality that you would expect from an AMS is in place as indicated in this Features page ( http://academia.a1.io/features/ ). You could also have a look at the Product Roadmap here ( http://academia.a1.io/productroadmap/ ). We can accelerate development of some of the missing modules and/or functionality, but that is subject to demand.
When it comes to Moodle integration, we are already working on that. You realize that most of the setup information for Moodle e.g Students, Lecturers, Courses, Class Scheduling ideally comes from an AMS. We are developing an integration framework that will seamlessly sync this info back & forth between A1Academia & Moodle. The basic stuff is already in place. We can put up a demo which shows our current progress.
Kindly go through our online Demo at ( http://academia.a1.io/#demoUserList ) and let me have your feedback.