Doodle is a lightweight scheduling webapp that lets you punch in your availability and figures it all out.
- 2019-06-20 Greg McVerry used a series of events that people could RSVP (a yes vote) for planning a meeting of the Known Open Collective
- Framadate is an open-source tool very similar to Doodle that may also be self-hosted
Doodle polls are heavily monetized through advertising. This leads to heavy webpages and requires people to give up data to choose to attend events.