These are plugins related to MakeHuman. The MakeHuman side plugins are installed by placing the directory (for example "9_export_mhx2") in the "plugins" directory where you unzipped or installed MakeHuman. On linux this is usually /usr/share/makehuman/plugins. The Blender side plugins are installed in Blender, in the addons part of the user preferences. 


Plugins for MakeHuman

These go into the "plugins" directory under MakeHuman

Plugin Also requires Description
MHAPI (download zip) - Core dependency for most community plugins
Asset downloader (download zip) MHAPI Adds functionality for downloading assets (such as clothes) from within MakeHuman
Socket (download zip) MHAPI Enables communication with MakeHuman from the outside (for example from Blender)
MHX2 (download zip) - Interchange format for Blender/MakeHuman (makehuman side)


Plugins for Blender

These are installed in Blender

Plugin Also requires Description
MakeTarget and MakeClothes (download zip) - For creating new targets and clothes
MHX2 (download zip) - Interchange format for Blender/MakeHuman (blender side)
Sync mesh and pose (download zip) Socket (in MH) Synchronize mesh and pose online from makehuman without the need to re-export