Some nice to have mods if you are using Fabric, and replacements for Optifine. You MUST First install Fabric and Fabric-api before you can continue, you can find a tutorial below. You can also find a tutorial on how to install mods.
How to install Fabric
How to install Mods (Example shown is Simple Voice Chat)
Performance:
Lithium
https://www.curseforge.com/minecraft/mc-mods/lithium
Sodium
https://www.curseforge.com/minecraft/mc-mods/sodium
Starlight
https://www.curseforge.com/minecraft/mc-mods/starlight
Shaders:
Iris
https://www.curseforge.com/minecraft/mc-mods/irisshaders
Works on OtterCraft:
Simple Voice Chat
A tutorial for this can be found here
https://www.curseforge.com/minecraft/mc-mods/simple-voice-chat
Nice to have:
Mod Menu
https://www.curseforge.com/minecraft/mc-mods/modmenu
LambDynamicLights
https://www.curseforge.com/minecraft/mc-mods/lambdynamiclights
Logical Zoom
https://www.curseforge.com/minecraft/mc-mods/logical-zoom
FPS - Display
https://www.curseforge.com/minecraft/mc-mods/fpsdisplay
Have any mods you use and wish to share with the community? Comment them below!