Thanks Ben. I think I'm really close. I had to install Git, Cmake and Build Essentials to get there but I'm still getting stuck. This part of Linux isn't my strong suit. Here's where I'm stuck.
CMake Error at /home/stellarmate/indi-3rdparty/cmake_modules/FindINDI.cmake:285 (message):
Could not find INDI include directory
Call Stack (most recent call first):