List out number of storage/volume drivers supported by docker?

Azure File Storage plugin
BeeGFS Volume Plugin
Blockbridge plugin
Contiv Volume Plugin
Convoy plugin
DigitalOcean Block Storage plugin
DRBD plugin
Flocker plugin
Fuxi Volume Plugin
gce-docker plugin
GlusterFS plugin
Horcrux Volume Plugin
HPE 3Par Volume Plugin
Infinit volume plugin
IPFS Volume Plugin
Keywhiz plugin
Local Persist Plugin
NetApp Plugin (nDVP)
Netshare plugin
Nimble Storage Volume Plugin
OpenStorage Plugin
Portworx Volume Plugin
Quobyte Volume Plugin
REX-Ray plugin
Virtuozzo Storage and Ploop plugin
VMware vSphere Storage Plugin