ASUG Best Practices: SAP S/4HANA® and SAP Business Technology Platform (BTP)
Event site: Here
ABAP Development Tools: Here

SAP Community Developer Challenge: EDA with SAP HANA and Python
The Developer Challenge announcement: Here
The Developer Challenge repository: Here

SAP Open Source Program Office: Catch up on the latest open source podcast and webinars
SAP Open Source Podcasts: Here
SAP Open Source Webinar: Here
SAP Open Source Community Page: Here

SAP Cloud Application Programming Model Feb 2023 release
Release notes: Here

SAP Datasphere
A Deeper Look Into SAP Datasphere: Here
SAP Datasphere trial: Here