All the DOS based stations are similar...
For Salyut 7, you could repaint Salyut 6 or Mir's core module.
Regarding the first post, CTDs come from addons that depend on addons, and not respecting versions.
Spacecraft4 runs in 2016, but not as intended, so for a quick and dirty Salyut, I'd use Multistage. Just set it up along with the launcher....