Mesh Morpher Lite allows you to create/remove/modify morph targets easily from within Unreal Engine Editor.

A customizable realtime path grid generator for the movement of bots or displaying a short path to the goal in hints, or for use for any other purposes, and a queue manager for getting the path

Remove the green background from the live video.

Camera Transitions is a plugin for Unreal Engine 4 which allows you to create artistic transitions between two cameras or pawns.

Easy to implement Voice Chat (VOIP) using Blueprints

Pixel 2D - Top Down is the top-down evolution of the Pixel 2D - Platformer engine, allowing creators to create top-down 2D games with ease!

GPU-accelerated Procedural World Creation: Compute Shaders, Virtual Heightfield Landscape, Ocean, GPU foliage system.

Firebase plugin for unreal engine 4(Android&IOS)

Integrate open source icon packs to user widget, including font awesome, material design, forkawesome, fontaudio, and kenney icons. Custom icon packs are also supported.

Accurate offline speech recognition

A set of visual tools to create Quests, Dialogues and State Machine!

Unleash the limitless potential of world creation with the Worldscape plugin for Unreal Engine! With its 64-bit precision ClipMap's geometry technology !

Strider is a procedural animation warping plugin which improves animation diversity via several additional animation nodes.

Infinite number of named curves stored within a single curve asset

Plugin for Google's TextToSpeech API, play synthetic voices inside your games.

Unreal Engine Plugin to send messages to Discord during runtime using HTTP Request.

The World Director NPC - PRO plugin is ideal for creating games where there are many pawns in the world at the same time. You can simulate a whole world of thousands of pawns. You can create an entire populated city. Now with multiplayer.

Fully Blueprint Exposed FPS Framework. Comes with everything needed to give you a big strong foundation to build upon with many realistic mechanics that are found in games such as Tarkov, Ground Branch, and Ready or Not

Ant Colony Optimization algorithm (ACO) for finding optimal paths.

Assembly is a flexible plugin with components and systems for creating modular characters in-game.

Auto Settings is a comprehensive and highly configurable game options and input binding toolkit that supports a range of functionality that is standard in modern PC and console games.