Roboverb
Interstellar Reverb - AU/VST/VST3/LV2
Building AU/VST/VST3
These formats can be built by normal means with Projucer. Depending on your system, you might have to change the module paths.
Building LV2
Since the UI is an lvtk:JUCEUI, you will also need to install libjuce
./waf configure build install