Here are few more ideas from the old Imperial Starfire game. it might give you some extra new ideas Olothontor.
XO racks, Exposed exterior fittings on the outside of capital ships to allow the carrying of Gunboats (bigger than a fighter but not as capable as a fighter but able to carry more munitions like a bomber, sort of) or even heavy missiles to increase the ships first turn salvo. They are vulnerable to enemy fire but useful. The turn around time for re-loading is prohibitive however.
AFHAWK: Missiles, Anti-Fighter Homing All The Way Killer missile against fighters, exceeds fighter attack ranges. (Ouch).
Minefields: For dumping around the entry Warp Points to buy time for the defender to come to Battle Stations during an attack.
IDEW: Independently Deployed Energy Weapon, it's a one shot, burn itself out energy weapon satellite, again for Warp Point defence.
Drive Field RAM: The Drives (not the ships main engines) burn out as they exert a physical force outward. It's still better than self immolation when ramming other ships).
Shear Plane: Cuts Tractor beams on a one for one basis.
CAM: Close Assault Missiles, unable to be stopped by point defence but very close range attack.
Etc, etc, blah, blah. This stuff is online now I believe, somewhere. This is all I can fine though.
That and this, which I just registered for and may be of help.