Site: https://hbt.github.io/mouseless
Deprecated in favor of surfingkeys -- https://github.com/hbt/Surfingkeys All mouseless commands are now available on my fork in https://github.com/hbt/Surfingkeys
Please note there is no support on my end. Refer to original repository for support https://github.com/brookhong/Surfingkeys