Standard Assets (for Unity 2018.4)
Unity Technologies
★★★★
Free Download

Terrain Sample Asset Pack
Unity Technologies
★★★★
Free Download

Starter Assets - Third Person Character Controller
Unity Technologies
★★★★
Free Download

Oculus Integration
Oculus
★★★
Free Download

PUN 2 - FREE
Photon Engine
★★★★★
Free Download

DOTween (HOTween v2)
Demigiant
★★★★★
Free Download

Food pack - 3D Microgames Add-Ons
Unity Technologies
★★★★★
Free Download

Free Platform Game Assets
Bayat Games
★★★★★
Free Download

Bolt
Unity Technologies
★★★★
Free Download

Sunny Land
Ansimuz
★★★★★
Free Download

Skybox Series Free
Avionx
★★★★
Free Download

Joystick Pack
Fenerax Studios
★★★★★
Free Download

Starter Assets - First Person Character Controller
Unity Technologies
★★★★
Free Download

Outdoor Ground Textures
A dog's life software
★★★★
Free Download

Grass Flowers Pack Free
ALP8310
★★★★★
Free Download

AllSky Free - 10 Sky / Skybox Set
rpgwhitelock
★★★★★
Free Download

Conifers [BOTD]
forst
★★★★
Free Download

Yughues Free Ground Materials
Nobiax / Yughues
★★★★★
Free Download

Fantasy Skybox FREE
Render Knight
★★★★
Free Download

Pixel Adventure 1
Pixel Frog
★★★★★
Free Download