Oblivion Style Mods

Combat Enhanced - Aerelorn
Makes combat more interesting by adding combos, slowing time etc
Requirements: Tribunal, MWE

Blocking Enhanced - Aerelorn
Blocking Enhanced is an attempt to make blocking more fun by bringing it under the player's control. Normally, no attacks will be blocked When the player holds down a configurable key, they will block every attack, but at the same time cannot attack back. If the player has no shield, a sanctuary effect will be added to simulate parrying.
Requirements: MWE, Tribunal or Bloodmoon

Pursuit Enhanced - Yacoby
This makes up to 6 people or creatures that are attacking you, and within a certain distance from you follow you through load doors. The time it takes for them to go through the load doors is based on factors like the distance away from the door when the player goes through it, and weather the NPC can see the player when he or she goes through the door. The NPC won't be able to follow you through the door if you lock it, unless they have a high security.
Requirements: Bloodmoon, MWSE, Tribunal

Oblivion-Style Spellcasting - Fliggerty
You are now able to cast spells while your weapon is drawn! This mod is aimed at improving Morrowind's combat by allowing you to use a fast-paced combination of melee (and ranged) weapons and spells without having to take the time to switch between weapon mode and spell mode.
Requirements: Bloodmoon, MWSE, Tribunal, MWE

Toggle Sneak - Yacoby
Implements a toggable sneak key, so you don't have to hold ctrl
Requirements: Bloodmoon, Tribunal, MGE

Combat Hits - Eevv
Makes you always hit your opponent in combat
Requirements:

Fliggerty's Fleeing Fetchers - Fliggerty
It is not reasonable for an innocent bystander to walk in the middle of a battle that is raging in the streets. Nor does it seem feasible for a simple commoner to stand and watch a murderous rampage without running for safety. When you are in the midst of a battle, any non-combatants around you will flee to a safe distance until the battle is over.
Requirements: Tribunal, Bloodmoon, MWSE

Morrowind Graphics Extender - Timeslip
Adds many many graphical improvements, including distant land and objects, HDR, Bloom and many more.
Requirements: Bloodmoon, Tribunal

Vality's Ascadian Isles & Bitter Coast Mods - Vality7
This mod replaces all the 'leafy' Bitter Coast trees (1,2,5,7) Vality's my own "speedtree" like trees. It also includes a plugin that adds many more trees to the Bitter Coast.
Requirements:

Weapon Sheaths Ultimate - PeterNL
This plugin adds a sheath to every weapon in the game, you don't actually see a real sheath but only the weapon hanging on your belt or on your back (depends on the weapon type).
Requirements: Tribunal, Bloodmoon

Oblivion Style Interface - Sir ßob
This is a complete remodel of the game's UI. Inventory menus, options menus, loading menus (not splash screens) etc. It was influenced by Oblivion, but has additions the people thought was better.
Requirements:

Oblivion Inspired Dark Brotherhood Armour - Westly
This mod adds a Better Body compatible version of the Dark Brotherhood armour that replaces the original Dark Brotherhood armour that shipped with Tribunal :). The new armour takes inspiration from the look of the DB armour that is in the game TESIV: Oblivion (stylistically so).
Requirements: Tribunal

Oblivion Septims - Astion
Once you install this small mod, all the Morrowind septims in the game will turn into Oblivion septims.
Requirements:

Morrowind Graphics Extender - Timeslip
Adds many many graphical improvements, including distant land and objects, HDR, Bloom and many more.
Requirements: Bloodmoon, Tribunal

MWMM - Timeslip
Based on OBMM, this is a version for Morrowind
Requirements:

Wrye Mash - Wyre
One of THE required utilities, this can prevent doubling
Requirements:

Lich Barilzar Voice Addon - Skydiver & Tyana Rie
This small mod adds voice to the lich Barilzar when he speaks to you during the quest for the Mazed Band in Tribunal.
Requirements: Tribunal

Dagoth Gares Voice Addon - Skydiver & Tyana Rie
This plugin adds a real voice to Dagoth Gares. Now you can actually *hear* him speak while clicking on topics in his dialoguebox!
Requirements:

Almalexia Voice Addon - Skydiver & Tyana Rie
This mod adds voice-overs to ALL of Almalexia's dialogue in the Tribunal official expansion pack. Almalexia will now speak every line of every dialogue option in the game.
Requirements: Tribunal

Dagoth Ur Voice Addon - Skydiver & Tyana Rie
Were you disappointed when you finally confronted Dagoth Ur and, well he just didn't quite feel evil enough? Then this plugin is what you need! This plugin adds a voice to Dagoth Ur more worthy of an evil god. Now you will be able to feel the evil power flow from every word that you hear Dagoth Ur say.
Requirements:

Vivec Voice Addon (Morrowind version) - MrTS, Tyana Rie and Miltiades
Bored with the tedious discussions of Vivec? Couldn't he just have given you his dialogue on a piece of paper and send you on your way? If you think so, then this plugin is for you! It adds a real voice to Vivec's dialogue! Now you can read *and listen* when the god Vivec speaks to you in his 'divine voice'.
Requirements:

Vivec Voice Addon (Tribunal version) - MrTS, Tyana Rie and Miltiades
Bored with the tedious discussions of Vivec? Couldn't he just have given you his dialogue on a piece of paper and send you on your way? If you think so, then this plugin is for you! It adds a real voice to Vivec's dialogue! Now you can read *and listen* when the god Vivec speaks to you in his 'divine voice'.
Requirements: Tribunal

Ownership Indicator - Yacoby
When you look at a object that has a owner, the crosshair will turn red. This allows you see easily what is free for the taking. This may require a graphics card with a ShaderModel 1.4 or above.
Requirements: Tribunal or Bloodmoon, MGE

Enhanced Detection - Fliggerty
This will emulate Oblivion's Detect Life spell to an extent; and then some. Rather than placing a circle on your map a particle effect will be placed at the exact location of the detected object. These FX can be seen through any 3d mesh, including walls and terrain.
Requirements: Tribunal or Bloodmoon, MWSE

Detect Owner - Fliggerty
It has been suggested that someone try to imitate the "red cursor" system implemented in Oblivion. When the spell "Detect Owner" is active, the owner of any item you have targeted will be displayed in a message box. If there is no owner, that will be displayed. You will also have a spell called "Swindler's Eye" that will allow you to know the value of items carried by an NPC.
Requirements: Tribunal or Bloodmoon, MWSE

Gate to Oblivion - MC_Stalker
This mod adds Gates to Oblivion similar to ones which will be found in TESIV:Oblivion. They will appear in random places on Vvardenfell and spawn random amounts of Daedra.
Requirements: Tribunal or Bloodmoon

Fast Travel - Yacoby
This mod enables you to fast travel to anywhere on Morrowind or Solstheim. When you first load the mod, you are given a spell which when cast takes you to a maproom, you move your crosshair around the map and select where you want to go. You then cast another spell, and it will take you to exactly where your crosshair is pointed. When you first load the mod, you are given the option for the fast travel to cost, or be free. The travel costs in either magicka, or gold and time.
Requirements: Bloodmoon, Tribunal

Living Cities of Vvardenfell - Helios/Wrye
Living Cities of Vvardenfell puts many of the NPCs of Morrowind on daily schedules. NPCs will move about over the course of day, going to work, temple, the local tavern, or simply wandering around town. At night, more guards come out, while NPCs lock up their shops and go home and turn down the lights.
Requirements: Tribunal or Bloodmoon

Nirnroot - Wildman
Based on the Oblivion quest, "Seeking your Roots" Find Nirnroot and trade it for an Elixer of Exploration Unlike Oblivion, Nirnroots are normal plants that respawn ingredients over time. However there are fewer in game.
Requirements:

Oblivion BirthSigns - Demon Fox
This mod changes the birthsigns to those of Oblivion.
Requirements:

Leyawiin - Princess Stomper
Leyawiin is a town mod set in set in Cyrodiil's southernmost city shortly before the events of Oblivion. The mod including many quests. It also includes animated plants, complex scheduling, player-sitting and many of the other features associated with Oblivion.
Requirements: Tribunal, Bloodmoon