Eltruism is an ElvUI plugin that offers features not available on ElvUI, and also includes a DPS/Tank Profile along with a Healer profile. Both are designed for 16:9 displays, and were tested in 4K, 1440p and 1080p. This plugin requires the following addons:

ElvUI

The installation will offer profiles for several following addons, including:

Bigwigs, DBM, Details, Dynamic Cam, ElvUI Floating Combat Text, Gladius, GladiusEx, Gladdy, Immersion, Method Raid Tools, Nameplate Scrolling Combat Text, Questie

And the following addons are highly recommended:

Shadow & Light
Windtools\

Eltruism includes many features and all can be turned off if the user wants. Some of them are listed below:

Actionbars:
Customizable Glows, including for Shaman Totems in Classic

Chat:
Item Icons in chat, chat fade, !keys command, /way command

Cursor:
Cursors that indicate cast times, cooldowns and more

Nameplates:
Gradient Nameplates, Power Bars, Debuff Glows, Dynamic Height

Unitframes (includes Blizzard Raid Frames):
Gradients, Custom Textures, Custom Role Icons

Skins:
Shadows, Character Panel, Quests, other AddOns are skinned

Miscellaneous:
Cooldowns with TTS, Combat Music, Fast Loot, Loot Wishlist, Hide Talking Head, Mail Sounds, Time to Arrive to Waypoint

This plugin was based in LuckyoneUI and credits go to him for allowing its use