Eve Online

Site: http://www.eve-online.com/
Monthly payed game, players can try it with 14 days trial accounts.
Guide(Strongly recommended for new players - personal experience)

Eve Online is science fiction space MMOG by CCP Games. The action is set in distant space, players pilot wide variety of ships through thousands solar systems. The game is persistent - this means that anything that is left in game while player is offline such as undocked ships will continue to exist and will be visible and attackable to other players.

Gameplay
Eve Online is little confusing at a first glance. Considerably more time is needed to learn the interface compared with other games from the same genre. EVE don't have leveling system, which is replaced by a complex skill system with a wide variety of skills. To learn a skill characters must acquire skill learning kits and the training consumes amount of real time(players can spend that time offline). Some strange issue is that characters can purchase clones as a precaution against death. Activities in EVE can be combat, exploration, trading, mining, advancement, research, manufacturing and more.
Combat in EVE is highly tactical with different range weapons. Players can group together in corporations, the corporation creator and leader(a.k. party leader) is titled Chief Executive Officer - CEO. Corporations also have some other roles like Director, Station Manager and so on. Corporations can declare war to other corporations. Also some spicy piece is added with the corporate spies.
Races in Eve Online are Amarr, Gallente, Caldari, Jovians.

Dragonica

Site: http://dragon.plaync.co.kr/
Status: Under development - upcoming
Dragonica is a colorful 3d fantasy side-scrolling MMO by Barunson Interactive and NCSoft.
Some nice movies:

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Dekaron

Site: http://www.dekaron.com/
Play: http://www.gametribe.com/gt/dekaron.do
Status: Open Beta for Europe

Dekaron is a fantasy MMORPG based on the middle age Europe by GameHI. Its gameplay is standard for this genre - parties, clans, alliances, wars for castles. Dekaron PVP system is moderate. Players can invite other players on a combat. The opponent can accept or decline the pvp. The game has a PK system a lot alike many other MMORPG.
Some other features are Mp3, Fishing, Messenger, Summon Systems.
2moons is other mmorpg like Dekarion, in facts 2moons is based on Dekarion.

Game Movie

The Lord of the Rings, The Battle for Middle-earth 2 Trailer

Sacred and Sacred Underworld

Official Site: http://www.sacred-game.com/index_start.php

Sacred is an action based RPG released in 2004. The gameplay is very similar to Blizzard's Diablo.
Sacred has 6 character types - Gladiator, Dark Elf, Wood Elf, Vampiress, Battle Mage, Seraphim. The Underworld expansion adds two more classes - Deamon and Dwarf.
The game is compound of a main quest line and a set of minor quests.

Screenshots:

Sacred

Sacred Underworld Trailer

ArchLord

Official Site: http://www.archlordgame.com/

ArchLord is a fantasy 3D MMORPG. It is free-to-play, but also players can buy Chantra credits and use these to purchase in-game items.
There are three Races:
Orcs:
Beserker (Male)
Hunter (Female)
Sorcerer (Male)
Humans:
Knight (Male)
Archer (Male)
Mage (Female)
Moon Elves:
Elementalist (Female)
Ranger (Female)

Gameplay:
ArchLord has standart for its genre gameplay - click and kill, loot, learn skills. This combined with repetitive monsters/places and not too god graphics makes things somewhat boring. A little fresh air comes with its pvp mass-pvp system. One of Archlord's unique features is that players can become "Archlord", the supreme ruler of the realm. Only one Archlord can exist per server. The Archlord has two weeks before he is challenged by other players for the sought-after position. Archlords have access to a castle, control over a dragon mount and the weather itself.

Screenshots:

Orc Sorcerer Video:


Human Knight Video:


Human Mage Video:


Moonelf Elementalist Video:

PlaneShift

Official Site: http://www.planeshift.it/
PlaneShift is a fantasy open-source MMORPG in development.
Screenshots:

PlaneShift Trailer Video:

Trickster Online Revolution

Site: http://www.tricksteronline.com/
Download: http://tricksteronline.com/Downloads/GameDownload.aspx
Free-To-Play, but has in game cash shop

Trickster Online Revolution is a free-to-play 2D MMORPG by Ntreev Soft. The game is really cute especially its Bunny girls.
Trickster Online has two not so common systems:
Drill System – players drill certain part of the terrain for exp and items.
Card Battling System – two players set against each other in a game of cards.

Characters:
Power Type – focuses on physical battle.
Magic Type – focuses on casting spells.
Sense Type – uses long range attacks.
Charm Type – has special bonus on evasion and defense.
Female and male characters have different job paths.

Korean Trailer of Trickster Online Revolution

Screenshots

Lineage 2 Kamael

Current post is an extension to this one.

L2 Kamael presents entirely new race - The Kamael. They have one wing and their powers are totally based on evil. Some of their skills use soul power - in order to use them one must collect souls. Male and Female Kamaels have different class paths.
Kamael update presents three new territories - Hellbound, Isle of Souls and Isle of Prayer.
Also new feature presented in Kamael are the fortress battles - seiges equivalent available 24/7.
Official Kamael Preview: http://www.lineage2.com/kamael_preview/

There are some unofficial Kamael servers like:
http://www.everlast.l2m.pl/
http://l2absolute.com/
http://radt.no-ip.org/
http://l2dragonlance.org/

Currently l2j server community works on its own l2 Kamael emulator. You can find information about it on http://www.l2jserver.com/


Lineage 2 Kamael Movies:




Lineage 2: Female Fighter



Lineage 2: Kamael Transformation Trailer


Lineage 2: The Kamael: The First Throne