Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey.All hotkeys can be changed on the trainer.

Trainer Options:
NumPad1: Infinite Health
NumPad2: One Hit Kills
NumPad3: Instant Research
NumPad4: Unlimited Resources
NumPad5: Unlimited Owned Engineering Stuff
NumPad6: Unlimited All Engineering Stuff
NumPad7: Perfect Modules Condition
NumPad8: Perfect Morale
NumPad9: Change EXP Of Selected Crew Member By 5000

Editor Options:
Modifier: Unlimited Materials
Selected Crew Member: Level
Selected Crew Member: EXP

Notes:

Unlimited Resources: While active open your engineering screen and all resources are unlimited. You can change the amount by changing the editor value.

Unlimited Owned Engineering Stuff: Same as for resources but additionally everything else you own will be unlimited too like armor / weapons / equipment and support stuff.

Unlimited All Engineering Stuff: Same as for resources and owned stuff but this will also gives you stuff which you don't have yet.

Selected Crew Member: Open your crew panel and click on the member you wish to edit first.