This addon adds in a Faerie, or Fey, race into ToME. This addon was originally created by Kaballah, but he hasn't been online in over a year.
Instead of letting it die (I mean, how could we not be able to play as a Faerie?) I decided to fork it over into a playable form.
I've taken it, modified it's values, and changed it's 4th talent.
You can nab it here.

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The Fey are an incredibly quick and agile race, however they are incredibly fragile.
You will have to make use of their blinding speed to survive encounters.
If you find yourself in trouble, you can spray some Fey Dust onto nearby enemies while you escape.

Fey stats:
-2 Strength, -5 Constitution, +3 Dexterity, +3 Cunning, +6 Luck,
Life per level: 7
Experience bonus: 5%
Unbreathing

Fey skills:

-Flight
--Passive
--The Fey are capable of flight.
--Avoid certain traps
--Grants bonus Movespeed and Defense, that scales with Dexterity or Magic
--Effect grows if health is low
--Pretty magical wings

-Fey Luck
--Passive
--The Fey are naturally lucky, and this aids them in many ways.
--Grants Luck and Saves
--If you take more than 10% of your life in damage, some of the damage is nullified, and you gain a shield of equal value.
--Scales with Luck
--Effect grows if health is low

-Fey Speed
--Active
--The Fey are always fleet-footed, and are ready to split upon a moment's notice
--Grants bonus Global Speed that scales with Dexterity or Magic
--Effect grows if health is low when activated
--Removes all Pinning effects

-Fey Dust
--Active
--The Fey's Dust, while pretty, turns out to not feel good when thrown into eyes
--Sprays a cone of Fey Dust, which deals damage that scales with Dexterity or Magic
--The spray also knocks back and blinds enemies hit
--It can also stun or confuse, if used at low health

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Dark Faeries are Faeries that have given up much of their natural agility and defense in exchange for bonus offensive potency.
They are extremely frail, even more so than their more agile counterparts, but make up for it with faster offense, higher damage, and many different tricks.
Despite all thoughts otherwise, they are still, mostly, a playful bunch to be around, if not a bit more painful in their method of invitation.

Dark Fey stats:
-3 Strength, -7 Constitution, +3 Dexterity, +3 Magic, +1 Cunning, +6 Luck,
Life per level: 5
Experience penalty: 5%
Unbreathing

Dark Fey skills:

-Powers of the Dark
--Passive
--The Dark Fey have sacrificed their Flight for additional offensive potency.
--Grants bonus Cast Speed and Combat Speed, that scales with Dexterity or Magic
--Grants bonus Damage that scales with Luck and Character Level
--Effect grows if health is low

-Fey Clone
--Passive
--The Dark Fey have given up some of their natural luckiness, but not all.
--Grants Luck and Saves
--Upon dealing damage, you summon a clone of yourself for a few turns.
--Has your entire talent list, deals 50% damage, and has 10% of your max life.

-Vision of the Shadows
--Active
--The Dark Faerie has lost it's ability to flee, and has been forced to find other methods of survival, in the form of dark magics.
--This talent shows all enemies within a moderate to large radius around yourself.
--Calls forth 3 shadows onto nearby enemies that are in sight.
--Shadows are extremely weak, but make for decent body-blockers.
--Vision Radius, Vision Duration, and Number of Shadow Targets increases with talent level.

-Feyd to Black
--Active
--Call forth the powers of darkness to overflow the battlefield, affecting all Actors in sight range.
--Increase all allies life by a percent of their Max Life. (Including yourself.)
--Decreases all foes life by a percent of their Max Life.
--Blind all foes, even those who cannot normally be blinded.
--This effect's power increases as your life decreases.
--This talent does not proc healing effects, and cannot lower enemies below 10% of their max health.

This addon makes several changes to resting:

1. Checks for and waits on any rechargeable items (e.g. Eden's Guile, Gwai's Burninator, etc.)
2. Checks for and reloads any ammo in offhand quiver (you're welcome, Temp Wardens!)
3. Waits for cooldowns of talents set to auto-use
4. Waits for depleted air to replenish
5. Combines all checks into a single instance of rest, rather than having cooldowns etc. require a second resting phase

The last change has the added benefit of fixing a quirk in the way auto-explore used rest which sometimes caused the player to start exploring before all cooldowns were off.

Please let me know if you have any issues or would like to see any other rest-related tweaks added.

This pack compiles several classes, with an emphasis on hybrid design. Not all classes are complete: the ones which I'm not satisfied with are marked as either INCOMPLETE or "in BETA".

The classes included in this pack are:
- The Transcendent Fist is an unarmed Psionic warrior, using a gem in his TK slot to hit with flexible energy types.
- The Storm Warden is a melee-and-ranged skirmisher with magical mobility and support spells.
- The Striker is a cunning and covert class, with a focus on delivering shock-and-awe thunderbolts from stealth.
- The Gravitic Infantry is a melee-focused Chronomancy user (formerly named the Heavy).
- The Creep is a stalker in the dark, cunning and covert in his hate.
- The Vector uses disease and debilitation to keep his foes at range while he snipes them to death.
- The Flenser is a Defiler whose knives debilitate and torture his victims.
- The Blood Mage is a Vim-based caster with a mild dip into staff-melee combat.
- ... and more!

(BETA) Shield Hero is an Adventurer who starts with heavy armor and a shield. Not very exciting unless you were annoyed about not being able to equip your Adventurer's shield right away.
(BETA) Prototype Hero is an Adventurer who starts with 1.3 mastery in every category. Not very useful for players, but it might be interesting for addon writers to spitball new category combinations.

(INCOMPLETE) The Flux Marauder is a Paradox thug, stealing time from his enemies.

x (Removed): The human-only Embers of Gerlyk are fire-using magical martial artists. Removed pending new content / 1.6 features.
x (Removed): The skeleton-only Fossils are geomantic martial artists. Removed pending new content / 1.6 features.

Combines several smaller utility addons, both for convenience and potentially reduced resource usage on smaller machines.

Includes the following addons:

• Notes to Self
• Timed Rest
• Talent Point Planner
• Opt-in Adventurers Parties
• Inventory Show All Tabs By Default (thru v12d)
• Tier-1 Short Circuit Option
• "Save" Talent/Stat Points
• Use Item Shortcuts (as of v5)
• Auto-Transmo Gems (as of v5)
• Online Indicator (v6a thru v13d.3)
• Inventory Sort Order (as of v7)
• Store Wish List (as of v8)
• Inventory Keys (as of v8)
• Alternate Zones Option (as of v10)
• Go to Landmark (as of v11)
• Enhanced Object Compare (as of v12)
• Enhanced Wield Replace (as of v14)
• Pragmatic Heroism (as of v14b)
• Prodigious Progress (as of v14c)
• Savefile Notes (as of v15)
• Item Notes (as of v15)
• Passive Cooldowns (as of v15)
• Low Health Popup (as of v15)
• Restart Sustains (as of v15)
• Effects Under Actors (as of v16)
• Juggle Hotkeys on Unwield (as of v16)
• Longer Character Names (as of v16)
• Das BLinkenlights (as of v16)
• Wall Clock (as of v16)
• Curse Levels (as of v17)
• Displacement Tracking (as of v17)
• Examine Floor Stack (as of v17)
• Verbose Crystal Resonance (as of v17)
• Golem Gender (as of v17)
• Self-Portrait Over Grass (as of v17)
• Semi-Roguelike Mode (as of v17)
• Menu Keys (as of v17)
• Reflected Golem (as of v17)
• Roguelike Keybindings (as of v17)
• Tooltip Cleanup (as of v17)
• Time Shield Tracking (as of v17)
• Alchemist Notifications (as of v17)
• Don't Summon While Meditating (as of v17)
• Herald of the Herald (as of v17)
• Roguelike Chat Guard (as of v17)
• Sword-n-Boardin' (as of v17)
• Plot Disarming (as of v17)

A superset of ZOmnibus Lite.

Frequently Asked Questions:

• What's the difference between ZOmnibus and ZOmnibus Lite? Can I use them both together?
• What game options does ZOmnibus provide to configure its behavior? (updated for v16)

License note: This addon uses images (or modified versions thereof) from Game-icons.net, pursuant to the Creative Commons CC-BY-3.0 license. In particular, we use images from the following authors:

• Delapouite
• Lorc

Adds Beholders as a playable race. Created by ajfluffy (design, code and conception) and rexorcorum (ideas and artwork), this addon is now being maintained by Nagyhal under the guidance of rexorcorum in ajfluffy's absence.

Edit: Had to change the addon's short_name, and so v1.0.6's automatic upload helpfully made us a completely new addon page. Of course it's all on Steam, which is beautiful (thank you DG!), but I'm hoping we can merge the older versions into this thread. We'll look at it tomorrow.

Edit of the edit: In the meantime, players who have fallen afoul of my clumsy Flame Laser bug are encouraged to upgrade to v5.9.2 for compatibility reasons. Have fun and happy facemelting!