You can add an unlimited number of sources to your Reportz account. Adding new sources takes just a couple of clicks:
Step 1: Go to Account Settings (leftside menu)
Step 2: Choose the integration you want to add as a source and click on the plus button.
Step 3: You will now be prompted with a window in which you need to enter the account name.
Once you click on Submit, you will be taken to the source's website to connect the account.
Read more about how to add data source of specific integration to your account.