Useful Addons

Unity provides an enormous solution eco system

Solutions which are available for Unity are endless. You could do a Google search and check for example what is available on Github or Check the Unity asset store https://assetstore.unity.com.

Also the Unity Package Manager is providing a lot of extensions.

Here is a list of recommended Add-Ons which are very useful.

Unity Recorder

The Unity recorder is able to record images and videos from your Game view. It is also slowing down, if needed, screen refresh rate to always record in best quality. It is the tool to use if you want to produce a video of your Digital Twin

Unity Recorder User Manual | Package Manager UI websitedocs.unity3d.com

Cinemachine

Cinemachine is enabling multiple cameras, camera flights and blending based on multiple virtual cameras. It is the tool to use for professional video creation with Unity.

Unity - Manual: Cinemachinedocs.unity3d.com

NaughtyAttributes

NaughtyAttributes is a tool for developers. You can create powerfull inspector windows with it. NaughtyAttributes is used in Game4Automation.

GitHub - dbrizov/NaughtyAttributes: Attribute Extensions for UnityGitHub

URP Render Pipeline

If you would like to improve visual quality and use a lot of different post processing effects it is best to use the Universal Render Pipeline.

Universal Render Pipeline overview | Universal RP | 12.1.16docs.unity3d.com

PlasticSCM

With plastic SCM you have a very powerfull revision management system. More information also in this section Revision management.

Plastic SCM - The Distributed Version Control for Big Projectswww.plasticscm.com

MeshSimplify

Mesh simplify allows you to reduce polygon cound on 3D meshes. It is specially usefull if you want to reduce meshes for some very special meshes after the import with CADLink (Pro)

Mesh SimplifyUnityAssetStore

Textures and Materials

Most important thing for getting a good visual quality in your models is Lightning, PostProcessing and Materials. Unity Asset Store is providing a lot of Material collections. Some are even for free.

2D Textures & Materials | Assets & Packs | Unity Asset StoreUnityAssetStore