This is an expose of some of the projects we been working on recently:
An database for MCQ-questions with advanced search, import of multiple questions formats and JSON API. The database supports replication and can be distributed on multiple servers.
National Medical Question Bank for MCQ
Enterprise grade service platform for electronic exams. Supports database sharding, multiple catalog services and external system integration thru SOAP or REST API. Built on top of the Phalcon MVC framework.