It has information about following products:
SAP Strategy Management (SSM)
SAP Business Planning and Consolidation (BPC)
Profitability Management and Cost Management (PCM)
Information on Spend Performance Management can be found here (link )
The purpose of this EPM wiki site is to provide a living communication platform between SAP EPM development, Regional Implementation Group, Consulting, SAP implementation partners and EPM customers. Ultimately, we would like to ensure knowledge transfer and customer success through this wiki platform together with  BPX and other resources.
We absolutely need your active participation and contribution to make this site as informative and lively as possible.
Enjoy!