jdMinecraftLauncher

jdMinecraftLauncher is a OpenSource Minecraft Launcher written in Python.

ATLauncher

ATLauncher is a launcher which has many groups made mod packs for the prominent sandbox game Minecraft.

Feed The Beast

Feed The Beast (FTB) is a client who does so you can play Minecraft but modded.

MCPatcher

MCPatcher is not technically a resource pack; it is one of the two most useful tools regarding making resources packs and mods work flawlessly together.

MagicLauncher

On the off chance that you are a devotee of Minecraft, then you are continually searching for new and energizing approaches to upgrading your experience.

MultiMC

Overview: MultiMC is a free, open source launcher for Minecraft, managed by Forkk13and peterixxx…

SKLauncher

An awesome launcher for Minecraft !!