These are some handy tools/applications which may be useful.
I didn't really need to include this here but still for the people who don't know, OptiFine is a fantastic mod for Minecraft which is known to double your FPS in most scenarios.
Forge is a minecraft library which allows you to run mods. The clients under Forge Clients need this to be installed.
Essentials is a forge mod for Minecraft which adds a lot of quality-of-life inmprovements. You need to put this in your mods folder if you're using Raven B++.