The Unreal Engine Marketplace has announced its free February 2019 content:
CCG Toolkit
A customizable card game framework to create single and multiplayer experiences
Hand Painted Textures Starter Kit
21 hand-painted textures that are mobile and PBR ready
Luos's Particle Toolkit Vol. 1
Particle toolkit of meshes, noise textures, material functions and more with over 67 sample particles
Platformer Kit 2D
2D platformer creation toolkit with fully customizable player character and 21 animation states
Scifi Kitbash Level Builder
Collection of SciFi assets, including walls, doors, props, and decals
Medieval Dungeon
Collection of modular meshes and props to build a medieval dungeon and crypt
Particles and Wind Control System
Wind control system with environmental particle effects