novnc from Cloud:OpenStack:Juno project
Select Your Operating System
Add repository and install manually
For SLE 12 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Juno/SLE_12/Cloud:OpenStack:Juno.repo zypper refresh zypper install novnc
For SLE 11 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Juno/SLE_11_SP3/Cloud:OpenStack:Juno.repo zypper refresh zypper install novnc