OpalFab is a Fabric based Modpack for Minecraft versions 1.17.1, 1.18.2, 1.19.2, 1.20, 1.21 that features mods that are great alternatives to the functions of OptiFine.
Features
(Your vanilla experience will be further improved thanks to the following features)
Latest Update 1.21 - Enjoy the latest update
Performance Updates - Enjoy performance like you did in OptiFine thanks to mods such as Sodium & Sodium Extra. There are more performance mods installed as well.
Connected Textures
Connected Glass
Zoom Function
FPS Counter - View your FPS in-game!
Shaders Function - Enjoy the use of shaders thanks to the Iris Shaders mod
Dynamic Lights - Hold a torch/light based item and the ground around you should illuminate.
Custom Skybox
Better Grass
And more! (click the Mods button in the game's main menu to see all the mods)
Check out some of the screenshots in the Images section.
Additional Information (Important!)
Zoom key is 'C'. Hold C to zoom, similar to OptiFine.
