As of Alpha 0.14

Player:

Saboteur Boat - 2k - your starter ship
Resource Holder - 0.5k - a little platform for you to store resources

Some Drunk Pirates:

Fortress - 49.5k - your starting fortress, AI is not functional
Hangout - 8k - a little structure with a big engine
Stockpile - 2.5k - a big resource platform

Republic of Turan:

Albatross A-1 - 17k - a biplane armed with a load of swarm missiles
Condor G-1 - 40.5k - a bomber armed with two huge missiles and a couple small turrets

Beaked Class Corvette - 19k - a dual turreted airship
Bluntnose Class Corvette - 30k - an airship with a big gun and an arsenal of tiny weapons
Bluefin Class Flying Artillery - 10k - little more than a big gun in the sky
Puffer Class Corvette - 54.5k - a large airship armed with a variety of heavy weaponry
Minnow Class Gun Pod - 2k - a small aircraft armed with two auto turrets
Krill Class Gun Pod - 2k - a small pod armed with an auto turret
Emu Class Light Frigate - 106k - a large airship armed with four heavy turrets along with a decent broadside and a host of small caliber weapons
Armadillo Class Gun Pod - 5.5k- a flying brick with two turrets
Cod Class Schooner - 10.5k - a small airship armed with a decent turret

Tiny Bakery - 1k - unarmed building
Small Farm - 1.5k unarmed building
Defense Tower - 4.5k - small tower armed with a minigun
Watchtower - 2.5k - small tower armed with a few autocannons
Civilian Defense - 1k - a little house with an auto turret
Inn - 2.5k - big unarmed building
Storage Shed - 0.5k - tiny structure

Snapper Class Light Tank - 4k - a small tank with a small turret
Hingeback Class Light Tank - 6.5k - a small, but armored tank
Command Car - 1.5k - a tiny jeep armed with an autocannon
Gecko Class Armored Car - 1.5k - a cute vehicle armed with a tiny APS system
Skink Class Medium Tank - 9.5k - a fast firing tank with a host of machineguns on the side
Bronto Class Mobile Artillery - 17.5k - a heavy vehicle with a big gun
Boa Class Armed Trasnsport - 16.5k - a large truck with two flak guns, a couple auto turrets and a Gecko
Gator Class Mobile Artillery - 31.5k - a big catamaran tank combining the weapons of the Bronto and the Boa
Moniter Class Medium Tank - 10.5k - a tank with a large turret
Collared Class Light Tank - 5k - a tank crossed with a tricycle
Anole Class Tank Destroyer - 4.5k - Like a Stug III, but steampunk
Mudfish Class Troop Transport - 4.5 - Two heavy MG's and a crap ton of chairs
Mudfish Class Armed Transport - 10.5k - A Mudfish with a massive gun up top
Mudfish Class Mobile Engineer - 12k - A Mudfish variant that carries 4 geckos into battle and repairs fellow troops
Scorpion Class Mobile Artillery - 18k - A big gun entrenched in the hull with a small AA gun

The Tlanen Empire:

Lance Class Medium Tank - 23.5k - A big turret and a small turret in a lot of metal
Poult Class Armored Car - 3.5k - An auto and a rocket on a tiny platform
Maco Class Cruiser - 98.5k - A large airship with an assortment of guns and missiles
Ballista Class Tank Destroyer - 20.5k - A large platform with a large gun and AA turret

(actual) Pirates:

Interceptor - 9k - a small ship with two cannons and a small broadside