It looks like the repo is complete
[root@suonko:~/devel]# git clone https://github.com/RomanKubiak/ctrlr.git
Cloning into 'ctrlr'...
remote: Reusing existing pack: 2603, done.
remote: Total 2603 (delta 0), reused 0 (delta 0)
Receiving objects: 100% (2603/2603), 19.92 MiB | 3.85 MiB/s, done.
Resolving deltas: 100% (555/555), done.
Checking out files: 100% (3058/3058), done.
[root@suonko:~/devel]# cd ctrlr/
[root@suonko:~/devel/ctrlr]# ls
Bin Boost Builds Doc Juce LICENSE Panels README.md Scripts Source VST
[root@suonko:~/devel/ctrlr]# cd Builds/Generated/Linux/Standalone/
[root@suonko:~/devel/ctrlr/Builds/Generated/Linux/Standalone]# ls
Ctrlr_Standalone.cbp Makefile build.sh
[root@suonko:~/devel/ctrlr/Builds/Generated/Linux/Standalone]# ./build.sh
Building for x86_64
PCH not rebuilt, use -f to force
Build now
Compiling CtrlrUtilitiesGUI.cpp
Compiling CtrlrSysexProcessorOwned.cpp