Signal is now rolling out regular usernames that can be used in place of a phone number.

That might be helpful in cases where spammers can guess your number or keep finding it elsewhere.

Signal said in a blog post, All of this is optional.

Screenshot of creating a username in Signal.

Signal

Discord specifically isa great option for family group chats.

you gotta be updated to the latestiPhoneorAndroidapp update to see usernames and set your own.