Also, check out the article Value Proposition: Why You Should Move to SAP Integration Suite on SAP.com
SAP CPI helper – a must-have which extends the SAP Cloud Platform Integration with some useful features to improve usability.
Groovy IDE – groovy is the way to work with SAP IS so you can use this IDE to do it a professional way. Check out also other products from pizug.
Int4 Shield Lite – a free solution to test SAP PO to SAP IS migration and automate this migration.
Int4 Shield – an enterprise-level test automation solution for testing SAP integration scenarios (recommended by SAP and used by SAP)
Typical Challenges and Questions about the migration
Have a look at Standard Adapters page to find out which adapters available on SAP Process Orchestration are available on SAP Integration Suite
Have a look at this Adapter Modules page to find out the reimplementation strategy.
Have a look at this Value mapping page to find out how to migrate them.
Yes, you can use Cloud Connector to do just that.
Check out the official version on Error Handling.
Check out the official version on Transporting Options.
Have a look at our blog post – Migrating ESR Proxies from SAP PO to SAP IS.