My AGPL, micro-federated platform Jonline has support for events with anonymous (or logged in) RSVPs. Still very early, and there are definitely still bugs, but

My AGPL, micro-federated platform Jonline has support for events with anonymous (or logged in) RSVPs. Still very early, and there are definitely still bugs, but you can deploy yourself and/or contribute! https://github.com/JonLatane/jonline https://github.com/JonLatane/jonline https://jonline.io https://jonline.io https://bullcity.social https://bullcity.social https://oakcity.social https://oakcity.social