Performant is a proprietary general-purpose optimization mod for Forge that focuses on optimizing entities and block updates along with adding mechanisms to handle and reduce lag.Compatible with Forge natively and Fabric through OptiFabric.

OptiFine is a proprietary optimization mod, which also adds support for HD textures, shader packs, and graphical improvements.Can be automatically installed with the 'Install Quilt' option in Prism Launcher. Quilt is a hard-fork of Fabric, focusing on a faster development pace and being more community-centric.Can be automatically installed with the 'Install Fabric' option in MultiMC or Prism Launcher. Fabric is required for many mods for Minecraft 1.14 and above.Can be automatically installed with the 'Install Forge' option in MultiMC or Prism Launcher.

Forge is required by most mods, and is the standard for a modded setup.

Prism Launcher - a fork of MultiMC with a built-in mod downloader and installer for Modrinth and CurseForge mods, Quilt support, better linux packaging, proper Microsoft Account support on linux, and more community-centric.

It allows to have multiple, separate instances of Minecraft, each with their own mods, texture packs, saves, etc.

MultiMC - a custom open source launcher.

Legends core 1.5 minecraft 1.7.10