I created a no-frills guest list management web app for social get togethers. You rsvp via sms and event hosts can broadcast any updates/reminders as needed. I got a little “dissatisfied” seeing group chats light up with “+1!” when plans were shared. Would be cool to enhance it and make it a business but [excuses here].
Here’s an example event: https://addyourself.to/it/c047e279-f5b4-4de8-9456-3fe71a77aa...