Jim We ( GSS) professional services have created several connectors listed below one can be used on share points. On the surface I do not see any technical issue with creating those, but I can not speak to the politics of working with the companies listed.
Custom Connectors:
SQL Server Database – Multiple
(One that scans table rows using SQL queries , another one that executes astored procedure and update a table ).
Oracle Database – Connect to
oracle databases and read metadata.
DB2 Database – Connect to DB2 databases
to read metadata.
SQLite Database - Query SQLite db
files
CMIS Connector – Connect to
multiple Content management systems like Alfresco, OpenText, Oracle WebCenter, SharePoint..etc
Qumulo Connector – Connect to Qumulo NAS device –
File as a stream connector- merge two inputs into one: IE a
csv file to individual objects
IMSJDBC Connector- Connect to Mainframe IMS
SAPHANAJDBC- connect to SAPHANA
SnowFlakeJDBCConnector- Connect to snowflake