Here’s a list of Unity assets starting with the most general that can be used in any project to the ones that are project specific with their templates.
Project
Script Inspector 3
https://bit.ly/3D6AoLQ
Hierarchy Pro 2021 – Extended
https://bit.ly/3VwysDo
Easy Save – The Complete Save Data & Serializer System
https://bit.ly/3CDK5ji
NPC Spawning and AI
Emerald AI 3.0
https://bit.ly/3TuU5lS
SoulLink Procedural AI Spawner
https://bit.ly/3COT94S
Story, Dialogue, and Lipsync
Dialogue System for Unity
https://bit.ly/3TuMnYG
SALSA LipSync Suite
http://bit.ly/2SfaNr8
Animation and Cutscenes
UMotion Pro – Animation Editor
http://bit.ly/3b3zcbM
ULTIMATE ANIMATION COLLECTION
https://bit.ly/3D6WRII
Slate Cinematic Sequencer
https://bit.ly/3rZY7qu
Master Audio 2022: AAA Sound
https://bit.ly/3CIfYHm
Animation Designer
https://bit.ly/3EOjW3N
Ragdoll Animator
https://bit.ly/3TjJJ8e
Nature and World Building
Enviro – Sky and Weather
https://bit.ly/3S8josE
Lux Water
https://bit.ly/3VMbOHt
Dynamic Water Physics 2
https://bit.ly/3s2Yvo8
Gaia Pro 2021 – Terrain & Scene Generator
https://bit.ly/3g9DLZf
GeNa Pro – Terrains, Villages, Roads & Rivers
https://bit.ly/3TLbaIr
Scene Optimizer
https://bit.ly/3D5BnvA
Animal pack deluxe
https://bit.ly/3eElu62
Animal pack deluxe v2
https://bit.ly/3CHu4ZK
FX
Impacts and Muzzle Flashes
https://bit.ly/3o6jpRZ
Ragdoll dismemberment system
https://bit.ly/3MCD8DA
Blood Spray
https://bit.ly/3CEqEH2
Templates
VR
Hurricane VR – Physics Interaction Toolkit
https://bit.ly/3qiKra2
Final IK
https://bit.ly/3D4BgjM
Photon PUN 2+
https://bit.ly/3yP89yt
FPS
Ultimate Character Controller
https://bit.ly/2JcAl7G
Rewired
https://bit.ly/3m1g57r
Ultimate Inventory System
https://bit.ly/3eJUK40
Agility Pack for Opsive Character Controllers
https://bit.ly/3s5Tr2v
Swimming Pack for Opsive Character Controllers
https://bit.ly/3eJT0ru
PUN Multiplayer Add-On for Opsive Character Controllers
https://bit.ly/3Ts863O
Photon PUN 2+
https://bit.ly/3yP89yt
Smith VR 