Current IIoT enviornments support any number of data-connectivity standards. Andrew Foster provides some compelling reasons for why this may not be changing in the near future.
Our API directory now includes 50 backend APIs. The newest is the CloudBees API. The most popular, in terms of mashups, is the CloudMine API. We list two CloudMine mashups. Below you'll find some more stats from the directory, including the entire list of backend APIs.