Radium is an Unofficial Fork of CaffeineMC's "Lithium", made to work with Forge Mod Loader.
An unofficial fork of Lithium by CaffeineMC, on Forge
Canary basically just disables some important Lithium optimizations, besides Canary is a hardfork and upgrading to upstream is slow, we act differently.
This is a free and open-source project; you can include it in your mod pack as long as you provide attribution!
Conversation