Try AirSend (https://www.airsend.io). We use it for group communication both for personal and professional use.
It is private. Create a channel and invite your friends. Thats it.
Disclaimer: I work for them.
It is private. Create a channel and invite your friends. Thats it.
Disclaimer: I work for them.
With respect to interruptions/noise it doesn’t have any advantages over Slack.