Keywords: UE4, Tools, Plugins, Documents, Blogs

UE4 Blogs

https://medium.com/@lordned

https://sebh.github.io/

http://casual-effects.com/

https://www.cnblogs.com/timlly/tag/Unreal%20Engine/

Optimization

UNREAL ART OPTIMIZATION
https://unrealartoptimization.github.io/book/

http://timhobsonue4.snappages.com/tutorials.htm

UE4 Tutorials

Comprehensive

The Unreal Arsenal: Learn C++ and Unreal Engine. Learn Programming and Game Development Fundamentals with C++ and Unreal Engine in this course for complete beginners.
https://www.udemy.com/course/the-unreal-arsenal/

Professional Game Development in C++ and Unreal Engine. Master Unreal Engine C++ Game Development with this university-grade course.
https://courses.tomlooman.com/p/unrealengine-cpp

UE4 Documents

Documents - Rendering

游戏引擎中的光照算法
https://zhuanlan.zhihu.com/p/54694743

Documents - Naming

An attempt to make Unreal Engine 4 projects more consistent (Recommended)
https://github.com/Allar/ue5-style-guide

Documents - Pivot

Pivot Painter Tool 2.0
https://docs.unrealengine.com/en-US/Engine/Content/Tools/PivotPainter/PivotPainter2/index.html

Documents - HTTP

UE4.10 How To Make HTTP GET Request in C++
https://wiki.unrealengine.com/UE4.10_How_To_Make_HTTP_GET_Request_in_C%2B%2B

Documents - GAS(Gameplay Ability System)

My understanding of Unreal Engine 4’s GameplayAbilitySystem plugin with a simple multiplayer sample project.
https://github.com/tranek/GASDocumentation

Advanced FPS/TPS Sample Project for Unreal Engine 4’s GameplayAbilitySystem plugin
https://github.com/tranek/GASShooter

UE4 Plugins & Tools

Tools Collections

UE4 Plug-ins
https://github.com/ue4plugins

Isara Tech.
https://www.unrealengine.com/marketplace/en-US/profile/Isara+Tech.

Yaki Studios
https://www.unrealengine.com/marketplace/en-US/profile/Yaki+Studios

UE4 Gameplay

EasyActions
https://www.unrealengine.com/marketplace/easyactions

Yellow Subs Machine
https://www.unrealengine.com/marketplace/en-US/yellow-subs-machine

Generic Interaction Component
https://www.unrealengine.com/marketplace/en-US/slug/generic-interaction-component

HL2-style, classic FPS movement for Unreal Engine 4 implemented in C++
https://rubygems.pkg.github.com/ProjectBorealis/PBCharacterMovement

Effortless. Powerful. Immersive. Kickstart your first-person project with a solid base that you can playtest immediately!
https://www.unrealengine.com/marketplace/en-US/product/motion-true-first-person-character-camera-template

UE4 Animation

Motion Matching System
https://www.unrealengine.com/marketplace/en-US/slug/motion-matching-system

RMAMirrorAnimation
https://www.unrealengine.com/marketplace/zh-CN/slug/rmamirroranimation

Root Motion Extractor
https://www.unrealengine.com/marketplace/en-US/slug/root-motion-extractor

Suite of tools for Autodesk Maya to help with skeleton creation, skeleton placement, rig creation, and final animation.
https://github.com/EpicGames/ARTv2

The official Animation Compression Library Unreal Engine 4 plugin.
https://github.com/nfrechette/acl-ue4-plugin

Root Motion Guide
https://www.unrealengine.com/marketplace/en-US/product/root-motion-guide

Vertex Anim Toolset
https://www.unrealengine.com/marketplace/en-US/product/vertex-anim-toolset

RMAMirrorAnimation
https://www.unrealengine.com/marketplace/en-US/product/rmamirroranimation

UE4 Scene / Level

WorldMachine + UE4: Full Workflow
https://80.lv/articles/worldmachine-ue4-full-workflow/

Interactive Tree Creator
https://www.unrealengine.com/marketplace/interactive-tree-creator

Dungeon Generator V2
https://www.unrealengine.com/marketplace/en-US/dungeon-generator

Ultimate River Tool
https://www.unrealengine.com/marketplace/en-US/slug/ultimate-river-tool

Procedural Ivy Generator
https://www.unrealengine.com/marketplace/en-US/slug/procedural-ivy-generator

Gothic Mega Pack by Meshingun Studio
https://www.unrealengine.com/marketplace/en-US/product/gothic-mega-pack-by-meshingun-studio

MultiWorld, Manage multiple UWorld instances simultaneously, running different worlds in parallel with isolated actors and components. Transfer players and actors between worlds.
https://www.unrealengine.com/marketplace/en-US/product/multiworld

Realistic Moss Foliage Plants Pack with Foggy Meadow Forest Environment & Sword (Recommended)
https://www.unrealengine.com/marketplace/en-US/product/realistic-moss-foliage-plants-pack-with-foggy-meadow-forest-environment-sword

UE4 Procedural

Dungeon Architect
https://www.unrealengine.com/marketplace/dungeon-architect

Procedural Water Foliage Tool
https://www.unrealengine.com/marketplace/en-US/slug/procedural-water-foliage-tool

This project aims to provide a framework and a solid implementation of different techniques for generating complete seamless procedural cities with interiors for all buildings.
https://github.com/magnificus/Procedural-Cities

Easy Voxels: Cubic
https://www.unrealengine.com/marketplace/en-US/product/easy-voxels-cubic

Easy Voxels: Marching Cubes
https://www.unrealengine.com/marketplace/en-US/product/easy-voxels-marching-cubes

Voxel Plugin PRO(Recommended)
https://www.unrealengine.com/marketplace/en-US/product/voxel-plugin-pro

Easy Voxels provides a fast, multi-threaded and reliable way to generate Voxel Geometry using various algorithms.(Recommended)
https://www.unrealengine.com/marketplace/en-US/product/easy-voxels https://www.unrealengine.com/marketplace/en-US/product/easy-voxels-marching-cubes

[WIP] Unreal Engine 4: Smooth voxel terrian example
https://github.com/bw2012/UE4VoxelTerrain

Voxel Plugin for Unreal Engine
https://github.com/Phyronnaz/VoxelPlugin

UE4 Procedural Landscape

Landscape Auto Material
https://www.unrealengine.com/marketplace/landscape-auto-material

Automatic Landscape Material
https://www.unrealengine.com/marketplace/en-US/slug/automatic-landscape-material

Automatic Landscape Deserts
https://www.unrealengine.com/marketplace/en-US/slug/automatic-landscape-deserts

Advanced Procedural Landscape Material
https://www.unrealengine.com/marketplace/zh-CN/slug/advanced-procedural-landscape-material

Automatic Landscape Material
https://www.unrealengine.com/marketplace/en-US/slug/automatic-landscape-material

Procedural Landscape Generator
https://www.unrealengine.com/marketplace/en-US/slug/procedural-landscape-generator

Landscape Pro 2.0 Auto-Generated Material (Recommended)
https://www.unrealengine.com/marketplace/en-US/slug/landscape-pro-auto-generated-material

AutoLandscapeMatAlpine
https://www.unrealengine.com/marketplace/en-US/slug/autolandscapematalpine

An Unreal Engine 4 implementation of the Polygonal Map Generator for generating islands
https://github.com/Jay2645/Unreal-Polygonal-Map-Gen

Easy Voxels: Marching Cubes
https://www.unrealengine.com/marketplace/en-US/product/easy-voxels-marching-cubes

Replicated Sublevel Instances
https://www.unrealengine.com/marketplace/en-US/product/replicated-sublevel-instances#

Mesh to Terrain Converter
https://www.unrealengine.com/marketplace/en-US/product/mesh-to-terrain-converter

Open World Bakery landscape generator
https://www.unrealengine.com/marketplace/en-US/product/open-world-bakery-landscape-generator

Fast and easy system that is fully automatic, has the ability to paint textures, and add up to 2 overlay textures that can easily be mapped to fit your landscape!
https://www.unrealengine.com/marketplace/en-US/product/ios-automatic-landscape-material

UE4 Materials

Unreal Engine 4 smear frame material effect
https://github.com/LuggLD/SmearFrame

Bake and merge Skeletal Mesh and Static Mesh materials and sections (Materials Optimization)
https://www.unrealengine.com/marketplace/en-US/product/meshbake

Easily merge multiple Skeletal Meshes in to a single asset in editor. Improve your game performance with no quality loss. (Recommended)
https://www.unrealengine.com/marketplace/en-US/product/skeletal-mesh-merger/

EasyMapper is a Master Material setup that supports World-Aligned (Triplanar) texture projection, combined with Nanite tessellation/displacement, and Advanced Vertex Blending in one simple, elegant package, for easy texture blending across assets.
https://www.unrealengine.com/marketplace/en-US/product/easymapper

UE4 Textures

RMATextureResizer
https://www.unrealengine.com/marketplace/en-US/slug/rmatextureresizer

IconMaker - Quick batch creation of icons with support for alpha channel, static and skeletal mesh.
https://www.unrealengine.com/marketplace/en-US/product/iconmaker

Simple Icon Creator
https://www.unrealengine.com/marketplace/en-US/product/simple-icon-creator

UE4 Shading

HLSL Material for Unreal Engine
https://github.com/Phyronnaz/HLSLMaterial

UE4 Mesh

Mary Nate
https://www.unrealengine.com/marketplace/en-US/profile/Mary+Nate

Pivot Tool
https://www.unrealengine.com/marketplace/en-US/slug/pivot-tool

Prefab Tool
https://www.unrealengine.com/marketplace/en-US/slug/prefab-tool

Instance Tool
https://www.unrealengine.com/marketplace/en-US/slug/instance-tool

Mesh Tool is an mesh editor for Unreal Engine. It allows you to edit mesh assets and prototype props and levels without leaving Unreal Editor. (Recommended)
https://www.unrealengine.com/marketplace/en-US/slug/mesh-tool

UE4.21 tool to automatically merge large meshes and instance smaller ones
https://github.com/alexismorin/MergeVolume

Mesh Morpher
https://www.unrealengine.com/marketplace/en-US/product/mesh-morpher#

Gore System Plugin (BlueprintExposed)
https://www.unrealengine.com/marketplace/en-US/product/klian-s-gore-system-plugin

UE4 Mesh - Spline

Rave Spline and Mesh Builder
https://www.unrealengine.com/marketplace/zh-CN/slug/rave-spline-and-mesh-builder

Spline Mesh Solutions https://www.unrealengine.com/marketplace/zh-CN/slug/spline-mesh-solutions

UE4 Mesh - Morph Target (Vertex Animation)

Mesh Morpher
https://www.unrealengine.com/marketplace/en-US/product/mesh-morpher

Morph Tools Plugin
https://www.unrealengine.com/marketplace/en-US/product/morph-tools-plugin

UE4 Mesh - Interactive Mesh Processing

Interactive Mesh Processing with libigl in Unreal Engine 4.24
https://www.gradientspace.com/tutorials/2020/1/2/libigl-in-unreal-engine

Mesh Generation and Editing at Runtime in UE4.26
https://www.gradientspace.com/tutorials/2020/10/23/runtime-mesh-generation-in-ue426

UE4 LOD

SmoothLODCreator
https://www.unrealengine.com/marketplace/en-US/slug/smoothlodcreator

BatchLodTool
https://www.unrealengine.com/marketplace/en-US/slug/batchlodtool

Procedural Mesh Simplifier (LOD Creator)
https://www.unrealengine.com/marketplace/en-US/slug/procedural-mesh-simplifier-lod-creator

UE4 Physics

PhysXPack
https://www.unrealengine.com/marketplace/en-US/slug/physxpack

UE4 Lighting

Dynamic Lighting Portal System (Performance Booster)
https://www.unrealengine.com/marketplace/dynamic-lighting-portal-system-performance-booster

Performance Optimization: Shadows Triggering Zones
https://www.unrealengine.com/marketplace/performance-optimization-shadows-triggering-zones

Ambient Lighting/Dynamic Light Probes(Cheap Ambient Lighting System)
https://www.unrealengine.com/marketplace/ambient-light-probes

Dynamic Bounce Lighting
https://www.unrealengine.com/marketplace/en-US/slug/dynamic-bounce-lighting

Real Neon Sign Creator
https://www.unrealengine.com/marketplace/en-US/slug/real-neon-sign-creator

Ambient Occlusion Decals and GI Bounce Light
https://www.unrealengine.com/marketplace/en-US/slug/ambient-occlusion-decals-and-gi-bounce-light

Video Ambient Lighting
https://www.unrealengine.com/marketplace/en-US/product/video-ambient-lighting

UE4 Run-time

Runtime Gizmo (Transform Tool)
https://www.unrealengine.com/marketplace/en-US/slug/runtime-gizmohttps://www.unrealengine.com/marketplace/en-US/slug/explainer-video?lang=en-US

Runtime FBX Import (Asynchronous)
https://www.unrealengine.com/marketplace/en-US/slug/runtime-fbx-import-asynchronous

RuntimeMeshImportExport
https://www.unrealengine.com/marketplace/en-US/slug/runtimemeshimportexport

UE4 Multiplayer

Steam Party
https://www.unrealengine.com/marketplace/en-US/slug/steam-beacons

UWorks
https://www.unrealengine.com/marketplace/en-US/slug/uworks

Multiplayer With Blueprints (AWS)
https://www.unrealengine.com/marketplace/en-US/product/aws-cognito-dynamodb-gamelift-lambda

UE4 Level Design

Prefabricator
https://www.unrealengine.com/marketplace/en-US/slug/prefabricator

UE4 Actor Spawning

Population Control PRO - Populate your world.
https://www.unrealengine.com/marketplace/en-US/product/population-control-populate-your-world

World Director NPC - PRO. Now with multiplayer.
https://www.unrealengine.com/marketplace/en-US/product/world-director-npc-pro-now-with-multiplayer

UE4 Foliage

UIPF - Unified Interactive Physical Foliage
https://www.unrealengine.com/marketplace/en-US/slug/uipf-unified-interactive-physical-foliage

Aeolus Foliage Solution
https://www.unrealengine.com/marketplace/en-US/product/aeolus-foliage-solution

UE4 Landscapes & Terrain

North Terrain Brushes
https://www.unrealengine.com/marketplace/en-US/slug/north-terrain-brushes

StitchingOfLandscapes
https://www.unrealengine.com/marketplace/en-US/slug/stitchingoflandscapes

UE4 Export

ExportObjectPlugin
https://github.com/Allar/ExportObjectPlugin

UE4 Assets Manage

Clean Project
https://www.unrealengine.com/marketplace/en-US/slug/clean-project

Asset Batch Edit Plugin for UE4 Editor
https://www.unrealengine.com/marketplace/en-US/product/asset-batch-edit-plugin-for-ue4-editor

Asset Downgrader (version rollback). Downgrade Assets From 5.3-5.4 to 4.27 or inbetween (Recommended)
https://www.unrealengine.com/marketplace/en-US/product/asset-downgrader/

UE4 Editor Graph Node

Electronic Nodes. Improve the wire style of Blueprint, Material, Animation, Niagara, Control Rig and Gameplay Ability editors.
https://www.unrealengine.com/marketplace/en-US/product/electronic-nodes

UE4 Scripts

Write your game with TypeScript in the ue4 or unity
https://github.com/Tencent/puerts

Unreal.js: Javascript runtime built for UnrealEngine 4
https://www.unrealengine.com/marketplace/en-US/product/unrealjs
https://github.com/ncsoft/Unreal.js

lua dev plugin for unreal engine 4
https://github.com/Tencent/sluaunreal

A feature-rich, easy-learning and highly optimized Lua scripting plugin for UE4.
https://github.com/Tencent/UnLua
UE4热更新:基于UnLua的Lua编程指南
https://imzlp.me/posts/36659/

FlowGraph. Design-agnostic node system for scripting game’s flow in Unreal Engine
https://github.com/MothCocoon/FlowGraph

UE4 Voice & Chat

Directional Voice Chat. The easiest way to create directional proximity voice chat for your multiplayer game.
https://www.unrealengine.com/marketplace/en-US/product/embedded-voice-chat

UE4 Audio

Explainer Video
https://www.unrealengine.com/marketplace/en-US/slug/explainer-video

SoundToolKit
https://www.unrealengine.com/marketplace/en-US/slug/soundtoolkit

UE4 Screenshot (Viewport Capture)

Screenshot pro allows you to quickly manage all the cameras in your scene and batch render stills at the highest possible quality.
https://www.unrealengine.com/marketplace/en-US/product/screenshot-pro

A small tutorial repository on capturing images with semantic annotation from UnrealEngine to disk.
https://github.com/TimmHess/UnrealImageCapture

UE4 Video

Video Player 360 (2D, 180, 360, Stereo)
https://www.unrealengine.com/marketplace/en-US/slug/video-player-360-2d-180-360-stereo

LiveVideoCapturePlugin
https://www.unrealengine.com/marketplace/en-US/slug/livevideocaptureplugin
Playing Live Video Captures
https://docs.unrealengine.com/en-US/Engine/MediaFramework/HowTo/UsingWebCams/index.html

Projectionist
https://www.unrealengine.com/marketplace/en-US/product/projectionist

Stereo Panoramic Player
https://www.unrealengine.com/marketplace/en-US/product/stereo-panoramic-player

Media Framework plug-in for NewTek’s Network Device Interface (NDI).
https://github.com/ue4plugins/NdiMedia

The Blackmagic Media plugin enables users to natively send SDI video in and out of Unreal Engine.
https://github.com/ue4plugins/BlackmagicMedia

UE4 Record Screen (Capture Video)

FrameCapture - Screen Capture and Video Recorder
https://www.unrealengine.com/marketplace/en-US/product/framecapture-screen-capture-and-video-recorder

Take Recorder
https://docs.unrealengine.com/en-US/Engine/Sequencer/Workflow/TakeRecorder/index.html

Rendering Out Cinematic Movies
https://docs.unrealengine.com/en-US/Engine/Sequencer/HowTo/RenderMovies/index.html

UE4 Frame Comparision (Picture Profiling)

The Screenshot Comparison browser enables you or your quality assurance (QA) teams to quickly compare screenshots that are captured in the Editor.
https://docs.unrealengine.com/4.26/en-US/TestingAndOptimization/Automation/ScreenShotComparison/

UE4 Action Scripting

A set of classes and methods that allow a Blueprint user to build Viewport tools using the underlying ViewportWorldInteraction module.
https://github.com/MilkyEngineer/ViewportScriptingUtilities

UE4 VOX Format

MagicaVoxel VOX Format import plugin for Unreal Engine 4
https://github.com/mik14a/VOX4U

UE4 Run-time GI

Global Illumination - Enlighten
https://www.siliconstudio.co.jp/middleware/enlighten/en/

Operations & Analytics

Microsoft Azure PlayFab
https://github.com/PlayFab/UnrealMarketplacePlugin

Telemetry Heatmap Tool 1.0. Enhance your Unreal Engine projects with our Telemetry Tool Heatmap Plugin. Record, visualize, and analyze gameplay events effortlessly.
https://www.unrealengine.com/marketplace/en-US/product/telemetry-heatmap-tool-1

Camera

Cine Cam
https://www.unrealengine.com/marketplace/en-US/slug/cine-cam

Advanced Third Person Camera
https://www.unrealengine.com/marketplace/en-US/product/advanced-third-person-camera

Computer Vision (Face Recognition & OpenCV)

Integrating OpenCV Into Unreal Engine 4
https://wiki.unrealengine.com/Integrating_OpenCV_Into_Unreal_Engine_4

OpenCV integration with UE 4.19. In progress
https://github.com/Batname/UE4OpenCV
https://forums.unrealengine.com/community/work-in-progress/1467754-plugin-opencv-plugin-for-ue-4-19

C++ project for face recognition with OpenCV which compiles into native library for Android and works from UE4 project
https://github.com/rnixik/face-recognition-ue4

A simple OpenCV plugin that integrates the OpenCV library into UE4. The plugin includes some blueprint classes that demonstrate how OpenCV can interact with the engine.
https://github.com/Brandon-Wilson/OpenCV-Plugin

Demo for integrating OpenCV and UE4 using conan-ue4cli
https://github.com/adamrehn/ue4-opencv-demo

Face geometry plugin for Unreal Engine
http://face.uplugins.com/

Ocean & Water

Oceanology
https://www.unrealengine.com/marketplace/en-US/slug/oceanology

UIWS - Unified Interactive Water System
https://www.unrealengine.com/marketplace/en-US/product/uiws-unified-interactive-water-system

Realistic Ocean Simulator
https://www.unrealengine.com/marketplace/en-US/product/realistic-ocean-simulator

Dynamic Water Physics
https://www.unrealengine.com/marketplace/en-US/product/dynamic-water-physics

Fluid Flux. The Fluid Flux is a powerful water system based on 2D shallow-water fluid simulations.
https://www.unrealengine.com/marketplace/en-US/product/fluid-flux

Speech

Text to Speech
https://www.unrealengine.com/marketplace/en-US/slug/text-to-speech

Map & Real World

COALA - map plugin with real world integration
https://www.unrealengine.com/marketplace/en-US/slug/coala-map-plugin-with-real-world-integration

NextNav Pinnacle Unreal Engine SDK, Add a vertical dimension: Locate users in three dimensions for real-time interaction and experiences in buildings underground locations, and dense urban areas.
https://www.unrealengine.com/marketplace/en-US/product/19aca46537a94c1aafe5fcb94bbd92d1

Blueprint Assist

Node Find and Replace
https://www.unrealengine.com/marketplace/en-US/slug/node-find-and-replace

Rama’s Victory BP Plugin
https://github.com/EverNewJoy/VictoryPlugin

A plugin to help you to create node graph faster and easier in unreal engine 4.
https://github.com/pdlogingithub/UE4-Node-Graph-Assistant

Generic graph data structure plugin for ue4
https://github.com/jinyuliao/GenericGraph

Export Recast navigation data from UE4.
https://www.unrealengine.com/marketplace/en-US/slug/exportnavigation

Export ue4 navigation data to outside.
https://github.com/hxhb/ue4-export-nav-data

3D navmesh generation and pathfinding plugin for UnrealEngine.
https://github.com/midgen/uesvon

A dynamic cover point generator plugin for Unreal Engine 4.
https://github.com/Deams51/CoverGenerator-UE4

AI

Hierarchical Task Network Planning AI. (Recommended)
https://www.unrealengine.com/marketplace/en-US/product/hierarchical-task-network-planning
https://github.com/maksmaisak/htn-example-project

Networking (TCP, WebSocket, HTTP)

ObjectDeliverer
https://www.unrealengine.com/marketplace/en-US/product/objectdeliverer

unreal engine 4 websocket plugin for both c++ and blueprint developer
https://github.com/feixuwu/UEWebsocket

HTTP Blueprint WebCommunication. HTTP Communication with Web server over Blueprints. Use GET or POST. File Upload and File Download. Login or authenticate. PHP. Get your own external IP.(Recommended)
https://www.unrealengine.com/marketplace/en-US/product/http-blueprint-webcommunication

Web

Web Server for Unreal
https://www.unrealengine.com/marketplace/en-US/product/unreal-web-server

PDF

Widget Documentation Plugin
https://www.unrealengine.com/marketplace/en-US/product/widget-documentation-plugin

DataTable (Excel)

GSheets Operator
https://www.unrealengine.com/marketplace/en-US/product/gsheets-operator

File System (Directory)

Easy File System (Blueprint Library)
https://www.unrealengine.com/marketplace/en-US/product/easy-file-system-plugin

Easy File Manager - EFM
https://www.unrealengine.com/marketplace/en-US/product/easy-file-manager-efm

Workflow

Customize, Optimize, & Automate. Significantly enhance and accelerate your Unreal Engine real-time workflow from start to finish by using OPTIM!
https://theia.io/optim/

Container (Docker)

Windows and Linux containers for Unreal Engine 4. Docs: UE4 Docker
https://github.com/adamrehn/ue4-docker

Example Dockerfiles for using Unreal Engine containers
https://github.com/adamrehn/ue4-example-dockerfiles

Multi-threading

Multi Task Pro
https://www.unrealengine.com/marketplace/en-US/product/multitask-pro

Noise Functions

Noise Plugin
https://www.unrealengine.com/marketplace/en-US/product/noise-plugin

Provides a modular system for mixing noise generators in Blueprint.
https://github.com/midgen/UnrealFastNoise

An Unreal Engine Plugin that wraps FastNoise2
https://github.com/DoubleDeez/UnrealFastNoise2

ECS (Entity Component System)

Apparatus, Native data-driven ECS workflow for Unreal Engine (C++ and Blueprints).(Recommended)
https://www.unrealengine.com/marketplace/en-US/product/apparatus

Huge space battle using an ECS library for the logic. Built on UE4
https://github.com/vblanco20-1/ECS_SpaceBattle

The ECS Architecture - Performance in UE4
https://www.youtube.com/watch?v=kXd0VDZDSks

My understanding of Unreal Engine 5’s experimental ECS plugin with a small sample project.
https://github.com/Megafunk/MassSample

UE4 GUI (Interface)

A high performance and flexible UI framework for Unreal Engine. (Recommended)
https://github.com/fairygui/FairyGUI-unreal

UIParticle Plugin 5.1
https://www.unrealengine.com/marketplace/en-US/product/uiparticleplugin

LGUI (Lex GUI) - 3D UI System for UE4
https://www.unrealengine.com/marketplace/en-US/product/lgui-lex-gui-3d-ui-system-for-ue4

Dear ImGui port to Unreal Engine
https://github.com/sronsse/UnrealEngine_ImGui

Unreal plug-in that integrates Dear ImGui framework into Unreal Engine 4.
https://github.com/segross/UnrealImGui

Use imgui in unreal for customize editor
https://github.com/ZhuRong-HomoStation/UEImgui

Quiet Docking System. The tool allows you to quickly construct a dynamic user interface. (Recommended)
https://www.unrealengine.com/marketplace/en-US/product/quiet-docking-system

A set of tools and utilities for use with Unreal Engine projects using ImGui. (Recommended)
https://github.com/nakdeyes/UnrealImGuiTools

Plugin with customizable performance metric charts and STAT commands control panel for Unreal Engine GameViewports. (Recommended)
https://github.com/DarknessFX/DFoundryFX

View Projection

iLocalPlayer4UE4
https://www.unrealengine.com/marketplace/en-US/product/ilocalplayer

Compression

UE4 ZStandard Compression Plugin
https://github.com/hxhb/ue4-zstd

Compilation

Debug compile times in Unreal Engine & MSVC projects
https://github.com/Phyronnaz/UECompileTimesVisualizer

Decals

Skinned Decal Component. As you know by default decals do not follow the bone deformations in Unreal Engine, this plugin allows you to project decals on skeletal meshes that follow Bone Deformations & Morph Targets.
https://www.unrealengine.com/marketplace/en-US/product/skinned-decal-component

Asynchronous Loading

Async Loading Screen is a free and open-source plugin for Unreal Engine. Async Loading Screen allows you to easily configure a Loading Screen System in the project settings, and automatically add a Loading Screen whenever you open a new level, without Level Streaming.
https://github.com/truong-bui/AsyncLoadingScreen

Deforming

Insta Deform Component. Instantly adds visual deformation capabilities to your vehicles and more!
https://www.unrealengine.com/marketplace/en-US/product/insta-deform-component

UE4 Content Tools & Scripts

UE4 Pivot Painter Tool

Pivot Painter Tool 2.0
https://docs.unrealengine.com/en-US/Engine/Content/Tools/PivotPainter/PivotPainter2/index.html


最高境界的处世艺术是不妥协却能适应现实,而极端不幸的个人素质是尽管不断地妥协却总是达不到适应现实的要求。——德国社会学家齐美尔(SimmelGeorg)