The healthAlliance, which runs ICT for several northern DHBs has put out an expression of interest for an Enterprise Content Management Solution.
The relevent documentation can be found on GETS:
https://www.gets.govt.nz/Default.aspx?show=TenderDetail&TenderID=30383
In the tender documents there is the following statement:
"We are open to solutions from open source vendors, proprietary solution vendors and hosted solution providers"