covid-vaccine-notifications.org might be a bit more popular than GoGetVax. We know about 1 link to it since March 2021 and only 1 link to GoGetVax. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I just went through the steps on gogetvax.com to get them to email me a virtual confirmation/pass/card/whatever once they verify the details, though. Source: almost 3 years ago
Keep checking the state and pharmacy sites and you'll most likely be able to move up your appointment slot. You can sign up for email notifications when new appointments pop up near you using this tool: https://covid-vaccine-notifications.org/. Source: about 3 years ago
COVID-19 Vaccine Tracker - See what’s the progress administering the virus globally
Vaccination Standby List - The standby list for leftover doses of COVID vaccine
CareSend - In-home COVID-19 vaccination. Sign up yourself and friends.
Vaccine Hunter - Find soon-to-expire COVID-19 vaccines, using local groups
VXpass - Replacing paper covid cards with digital verifications
Dr. B - The standby list for COVID vaccines