PlayerAPI

Supports Minecraft 1.0.0, 1.1, 1.1.0, 1.10, 1.10.2, 1.11, 1.11.2, 1.12, 1.12.1, 1.12.2, 1.2.3, 1.2.4, 1.2.5, 1.6.4, 1.7.10, 1.7.2, 1.8, 1.8.9, 1.9, 1.9.4, b1.7.3, b1.8.1

Player API is an API which provides access to

the client class "EntityPlayerSP" and the server class "EntityPlayerMP" while minimizing conflicts between mods.

Smart Moving

Supports Minecraft 1.0.0, 1.1, 1.1.0, 1.10.2, 1.12.2, 1.2.3, 1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.2, 1.6.4, 1.7.10, 1.7.2, 1.8, 1.8.9, b1.6.6, b1.7.3, b1.8.1

The Smart Moving mod provides various additional moving possibilities