We could use this website to vote for tryday-friday.
It's really straight forward to setup a new poll and add the canditates. It also seems pretty easy to use from a voter's perspective.
https://www.rcv123.org/election/
As an example, I created an example poll that should close 7 days from now:
https://www.rcv123.org/ballot/tejyxqXRf6TKATpX3t7eAW