Stack Exchange is using OpaVote and OpenSTV for its community moderator elections for 2015.
Instant Runoff Voting and the Single Transferable Vote Elections Online
Desktop software for counting votes with ranked-choice voting.
A web app to run ranked-choice voting elections online.
To implement your own ranked-choice voting elections with OpaVote and OpenSTV:
- Run an entire election online using OpaVote or
- Collect the votes on your own (e.g., via paper ballots) and count the votes with OpenSTV.