Fluxer (@fluxer@fluxer.com)
social.fluxer.com
Fluxer is free and open source chat for friends, groups and communities, with text chat, voice and video calls, screen sharing and self-hosting. This is the official Fluxer account. For help with your Fluxer account, visit https://fluxer.com/help.

This has been announced in their own server

@fluxer

The profile can be fetched into your Mastodon instances