Here, there will be a bunch of very strange ships that don't come from any normal universe or timeline, that may even be in a simulator databank or a concept that was never followed up on.
First, the U.S.S Julian, from an Elite Force map:
Class and Type: Julian Class Heavy Cruiser
Commissioning Date: 2199
Hull Characteristics
Size: 5
Resistance: 3
Structural Points: 100
Operations Characteristics
Crew/Passengers/Evac: 28/2/2,900
[7 Power/round]
Computers: 5 [5 Power/round]
Transporters: 1 personnel, 1 cargo, 2 emergency
[2 Power/round]
Tractor Beams: 1 av, 1 fv [2 Power/rating/round]
Propulsion and Power Characteristics
Warp System: 4.0/5.0/6.0 (6 hours)
[2/warp factor]
Impulse System: .5c/.7c [5/7 Power/round]
Power: 105
Sensor Systems
Long-range Sensors: +1/14 light-years
[6 Power/round]
Lateral Sensors: +1/1 light-year [4 Power/round]
Navigational Sensors: +1 [5 Power/round]
Sensor Skill: 4
Weapons Systems
Alternate Universe Phaser
Range: 9/27,000/80,000/250,000
Arc: All (720 degrees)
Accuracy: 4/5/7/10
Damage: 12
Power: [12]
Alternate Universe Photon Torpedoes
Number: 50
Launchers: 2 fv, 2 av
Spread: 2
Arc: Forward or aft, but are self-guided
Range: 10/300,000/1,000,000/3,000,000
Accuracy: 4/5/7/10
Damage: 18
Power: [5]
Weapon Skill: 4
Defensive Systems
Alternate Universe Deflector Shield
Protection: 36/50
Power: [36]
History:
A strange, unknown vessel from what seems to be from one of the other universes, was discovered by the U.S.S Pleiades in 2371, and seems to have been built by an alternate Federation, having developed their technology at a very different rate from the Eta Universe normal, having developed Warp 6 drives, extensive automation, holodecks and a full array of transporter types earlier. There were no crew members to be found aboard the ship, and the vessel, called the U.S.S Julian, has since been taken and analysed by members of the Starfleet Corps of Engineering.
Class and Type: Julian Type 1 Shuttlecraft
Commissioning Date: 2199
Hull Characteristics
Size: 1
Resistance: 1
Structural Points: 20
Operations Characteristics
Crew/Passengers/Evac: 1-2/4/8
[2 Power/round]
Computers: 2 [2 Power/round]
Transporters: none
Tractor Beams: 1 fv [2 Power/rating/round]
Propulsion and Power Characteristics
Warp System: 1.1 (1 hour)
[2/warp factor]
Impulse System: .2c/.4c [2/4 Power/round]
Power: 75
Sensor Systems
Long-range Sensors: +0/4 light-years
[6 Power/round]
Lateral Sensors: +1/1 light-year [4 Power/round]
Navigational Sensors: +1 [5 Power/round]
Sensor Skill: 3
Weapons Systems
Alternate Universe Phaser
Range: 7/20,000/60,000/175,000
Arc: Forward (90 degrees)
Accuracy: 5/6/8/11
Damage: 6
Power: [6]
Weapon Skill: 3
Defensive Systems
Alternate Universe Deflector Shield
Protection: 24/36
Power: [24]