A good and hopefully growing set of useful custom templates.
I have not tested this with version 9. It may provide some functionality but the templates for 3rd party addons, while they may work, the availability of the third-party addons for version 9 is not up to me.
Tallacmans Tasty Templates are a collection of templates for core and 3rd party blocks that may prove useful*.
Currently, it offers templates for:
Anyone that leaves a review may suggest improvements or new templates.