I built DoNotify because I kept missing Google Calendar events. Telegram calls worked for v1, but they required the app and didn't reliably ring through Do Not Disturb.
So I rebuilt it around regular phone calls via Vonage's Voice API. When a Google Calendar event is due, DoNotify calls your phone number and speaks the event details aloud: title, time, location. No app needed. Rings through silent mode and DND. Works internationally.
Stack: Laravel, Livewire, Vonage Voice API, LemonSqueezy for billing. Google OAuth for calendar sync and sign-in. Resend for backup email reminders.
Recently added an API so you can trigger reminders programmatically from your own workflows. There's also an OpenClaw skill if you're into agent-based automation.
Would love feedback on the approach. The core bet is that voice calls are the only notification channel people physically can't ignore.
https://donotifys.com