You mean share data using the Marketo API?
Depends on the use cases. Can you tell us more?
Other tools include Zapier, custom API dev, Talend, BedRock, Openprise...
Aron from the PieSync team here! Like Josh is saying, the use case is really important.
If you're looking to integrate Marketo Leads with your Pipedrive Contacts in a bidirectional way, PieSync can help you. Here is an example of a case study we did between Marketo and Salesforce.
Let us know more about the use case and we're happy to help you if possible. Please don't hesitate to reach out at email@example.com