Mod Organizer 2

Mod Organizer (MO) is a tool for managing mod collections of arbitrary size. It is specifically designed for people who like to experiment with mods and thus need an easy and reliable way to install and uninstall them.

Fores New Idles in Skyrim SE - FNIS SE

No custom animation possible for Skyrim? Wrong. FNIS Behaviors allows to add different types of animations to the game: idles/poses, sequenced, furniture, paired, killmoves, creatures, and others.

RaceMenu

Complete overhaul to the character creation menu including new customization features such as multiple RGBA warpaints, body paints, hand paint, and foot paints. (Requires SKSE)

ApachiiSkyHair SSE

New Female and Male Hairstyles for Humans, Elves and Orcs. Converted hair from Sims2 and Sims3.Standalone version.

Address Library for SKSE Plugins

Contains header file and a database to make SKSE DLL plugins version independent easily.

PapyrusUtil SE - Modders Scripting Utility Functions

An SKSE plugin adding several new scripts with native functions that provide various conveniences related to data storage and other misc functions to the scripter/modder.

Campfire - Complete Camping System (Supports Skyrim VR)

Campfire is the most feature-rich stand-alone camping mod for The Elder Scrolls V: Skyrim, created from Frostfall's immersive and detailed camping system. Campfire is also a modder's framework, allowing anyone to create their own unique camping equipment.

Fuz Ro D-oh - Silent Voice

A SKSE64 plugin that adds support for unvoiced in-game dialog,

JContainers SE

Extends Skyrim SE Papyrus scripts (or SKSE/C++ plugins) with JSON based serializable data structures like arrays and maps. Embedded Lua interpreter.

UIExtensions

Adds various custom menus to Skyrim for modder use.

Blended Roads

Roadstones are blended to the ground mesh instead of assigning a texture to an extra mesh.This eliminates a lot of road uvw issues.

Hearthfire multiple adoptions - Now with custom home support for kids and spouse

Allows adoption of up to 6 kids, instead of just 2Move your family into suitable custom homesGives children a last name

Modern Brawl Bug Fix

The Modern Brawl Bug Fix is the ultimate solution to brawls that break instantly or turn into real fights. Compatible with any mod.

Beards

The most popular (and only?) beard retexture mod for Skyrim, Beards - from Hvergelmir's Aesthetic series is now available for Skyrim: Special Edition!Beards also enables previously unavailable beard styles Bethesda left out of the game (for good reason?)

RaceMenu High Heels

Hub and fixes for high heels made using the transforms system for equipped items of RaceMenu SE/SKEE64.

RaceCompatibility for Skyrim Special Edition

This package allows mod authors to make mods based on the RaceCompatibility.esm to work properly with the Special Edition. With optional compatibility for USSEP, Better Vampires. Also fixes a bug in RaceCompatibility related to multiple custom races.

FileAccess Interface for Skyrim SE Scripts - FISSES

Easy to use interface for modders to save&reload in-game variables (e.g. MCM settings) to/from file.

Immersive College of Winterhold

An overhaul of the buildings and inhabitants of the College of Winterhold.

.NET Script Framework

Framework for memory editing, native code hooking and writing DLL plugins in any .NET language.

powerofthree's Papyrus Extender

SKSE64 plugin that extends Papyrus script functionality, with over 275 new Papyrus functions, and 29 events.