Just wanted to share with you that Mirth also has version control tool.

This comes as “Channel History” plugin which can manage various versions of a channel. Looks pretty similar to SVN or TFS.

http://www.mirthcorp.com/products/mirth-connect/mirth-connect-plugins

But this is for support customers only – The lowest cost is $5000 pa.

http://www.mirthcorp.com/services/support