Does it support monitoring Oracle 12c?
I believe you have the possibility of using Insider with the Oracle 12c because on the official website it's specified that it simply works with Oracle without giving the exact versions compatible with.
For additional information, I recommend checking the following page: http://fourthelephant.com/insider/
Also, visit the documentation page to get a head start on using the software: http://fourthelephant.com/insider/docs/
