Also, AMD graphics card support for graphics applications is generally excellent, especially in the last few months with newer cards. AMD have released a fully

Also, AMD graphics card support for graphics applications is generally excellent, especially in the last few months with newer cards. AMD have released a fully open-source driver chain called AMDGPU, the only caveat being that it uses an open-source LLVM-based shader compiler toolchain that's somewhat slower on some workloads (and somewhat faster on others!) than whatever proprietary thing is in their blob drivers, which are called AMDGPU PRO.