In addition to stat modifiers

Barbarian-
resistance to cold and disease/poison
barbarians may shout at any time, all mobs in the room, aggro and not, will use their next attack against the barbarian. Once every 3 minutes.

Cambion-
resistance to fire
cambions are adept with the elemental plane of fire and do additional damage with fire spells.

Dark-Elf-
Dark-elves can surround themselves in a magical darkness that confuses and conceals them from their foes. Dark-elves may use darkness once every 10 minutes and it lasts for 2. It will increase his dodge/parry% and can flee 100%.

Dwarf-
Dwarfs have a bonus to HP gained when ticking by 10%
resistance to all magic, and stun length. Dwarfs can always move when overburdened.

Elf-
Great spellcasters do additional damage with all realms and gain 10% more mp every tic. They also gain a bonus to search.

Gnome-
gnomes gain a bonus to stun length and amount healed when they use a healing spell.

Goblin-
resistant to poison/disease. Goblins are filthy creatures who often spit on their weapons, randomly diseasing their targets. Goblins are also adept at avoiding traps and always take less damage from them.

Half-Elf-
resistance to mental attacks, half-elves are well respected by all and have their faction raise by a higher %, they also have keen eyes and recieve a bonus to search.

Half-Giant-
May bash without a weapon. Resistant to bash. Their large size allows them to reach where most can't and gains a large bonus to climb. Half-giants may stomp, stomp will work as a short bash on all mobs attacking the half-giant.

Half-Orc-
Has a to hit bonus, small bonus to circle

Halfling-
has a substantial dodge bonus

Human-
gains xp faster as normal

Kataran-
dodge/parry increase, track skill

Kobold-
dodge bonus, hide bonus, sneak bonus

Minotaur-
may bash without a weapon, gor attack, may be used in combat, stuns like a shorter bash, damage based on level. Track.

Ogre-
may bash without a weapon. Hitpoint bonus every level.

Orc-
Has a to hit bonus, bonus to circle

Seraph-
Bonus to all healing spells cast

Tiefling-
dodge and hide bonus

Troll-
large bonus to hitpoints each level. Troll vomit, attack always hits doing damage based on level, and additional damage over time for 10 seconds.

And because I'm just never pleased.

new races i'd like to see

Merrow-
+2 con -2 pie
Can breathe water all the time. Resistance to water spells and bonus to water spell damage.

Satyr-
+1 dex +1 str -1 con -1 pie
Bonus to earth spell damage. bonus to dodge.