A Fedora COPR repository for Audio creation
The github repository where you can find the specs of the RPM packages:
A list of available plugins on Linux.
Linux musicians community.
LinuxMAO french community.
If you want to find some examples for pure-data / plugdata and other tools, check patchstorage website.
Patches for various tools patchstorage:
A website hosting a lot of intersting musical artifacts
A website referencing audio plugins