| ISACaller | no | 2500/s| no | yes| ok | yes | yes | yes | no | yes | no | yes |
* [IBM Sim](https://www.ibm.com/support/pages/sdk-110-using-ibm-power9-functional-simulator) - of IBM POWER9.
- has been updated to POWER10.
+ has been updated to POWER10. Proprietary: source code **not available**.
* [Gem5](https://gem5-review.googlesource.com/) mainline
* [Gem5-experimental](https://github.com/power-gem5/gem5/tree/gem5-experimental) and
associated [gem5 support package](https://github.com/power-gem5/gem5-support-package)
with funding from NLnet for a [Power ISA port](https://nlnet.nl/project/Cavatools/)
* [ISACaller](https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/isa/README.txt;hb=HEAD),
designed for Power-ISA Specification absolute 100% integrity and for verification purposes.
+* [PSIM](https://docs.rtems.org/releases/4.5.1-pre3/rtemsdoc/html/started_ada/started_ada00048.html) which
+ fascinatingly is now included in GNU gdb. [README](https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=sim/ppc/README;hb=HEAD)
+* [PearPC](http://pearpc.sourceforge.net/) - another 32-bit PowerPC emulator,
+ with [source code](https://github.com/sebastianbiallas/pearpc)
+* [SheepShaver](https://github.com/cebix/macemu) - another 32-bit PowerPC emulator for Power variants
+ of MacOS, with reasonable peripheral emulation