(Repeating a few things)
All alignments:
- Harmony Crystals trade good. Pretty good morale boost.
EVIL:
- All upgrades to a starbase, which normally costs money, are free.
- Free invasion tactics when you build "no mercy invasion" project.
- Collect a small toll from alien freighters passing through your area of influence.
- Mind control thing, which I didn't realize boosted economy (never built it).
- Hugely powerful weapon techs become available. Psionic beams are second only to doom rays IMHO (expensive as hell though).
- Artificial Slave Center, which gives a nice boost to military production capacity on every world in your empire.
- Everybody hates you, especially Altarians and Torians.
Neutral:
- Morale boost.
- Temple of Neutrality (steals background tourism money from other neutral civs).
- Neutral shipping adds 2 new trade routes (the text saying 3 is incorrect) and adds +10 to your trade income.
- Neutrality Learning Centers, which are the most powerful research buildings in the game.
- All planet tiles that can be upgraded with enhancement are instantly useable. Extremely useful.
Good:
- Loyalty bonus.
- Temple of Righteousness, which steals background trade money from other good civs.
- Hall of empathy, which supposedly doubles the chances that a defeated civ will surrender to you.
- Empathic Tactical Defense, which boosts warship defenses by 20% (or is it +20?).
- Four new defense techs are available. You can install them as modules or not (expensive), but researching three of them increases the defensive strength of your warships. The fourth slightly increases the hit points of all your ships.
- Good and neutral civs like you. Evil races hate you even more than they did before.
I think that's all of them.