Amulet Map Editor - The Amulet Map Editor is a new and innovative Minecraft map editor made by the Amulet Team, a team formed by the contributors that brought you MCEdit-Unified
PVPLounge - Minecraft client for 1.7.10 which includes its own server and several functionalities
WorldEdit - Minecraft MOD - WorldEdit is an easy-to-use in-game Minecraft map editor. Through a combination of commands and "brushes," you can sculpt your world or simply perform numerous terraforming tasks.
Badlion Client - Custom minecraft 1.7.10, 1.8.9 and 1.12.
MCEdit - MCEdit is an open source world editor for the popular game Minecraft.
Lunar Client - An all in one Client side anti cheat built by the same people who made CheatBreaker.