There are 2 repositories under power9 topic.
OPAL boot and runtime firmware for POWER
POWER9 gzip engine documentation and code samples
Supporting GATK4 on IBM Power architecture, including enablement, performance tuning and optimization.
Information on setting up an HPC cluster on CentOS using xCAT, CUDA and Slurm on an IBM POWER9 system.
Docker container for building and running Firefox
This is a forked version of FAISS that supports PowerPC ISA. (Tested in Power 8 with 4 NVIDIA GPU). HNSW is not supported as the code migration to Power ISA vectors yet to be done.
A useful Docker Multi-Architecture image to WebODM project
My own fork of the https://src.fedoraproject.org/rpms/kernel.git
OpenArena benchmark scripts for porting LLVMpipe to POWER9.