Flatfile 3.0 – Embeds might be a bit more popular than card.io. We know about 1 link to it since March 2021 and only 1 link to card.io. 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.
First thing I tried was typed card.io in my web-browser to see whether it would bring me to a website associated with this game. Source: almost 2 years ago
Maybe you could look into something that does the importing for you - there are SaaS providers now that will do this (I hear podcast ads about them sometimes... https://flatfile.com/platform/data-onboarding/ springs to mind). Source: about 2 years ago
Shared Contacts For GMail - Share contacts and address books with your team in Google Workspace, previously known as G Suite, Gmail, or your mobile Contact app, just like you share Google docs!
csvbox - Spreadsheet importer for your web app, SaaS or API
ContactBook App - ContactBook helps your business organize and manage contacts centrally and keep them shared with the right people.
Airtable-to-PostgreSQL Migration Tool - A totally free migration tool.
Speare - Speare is a word processor enabling users to brainstorm, organize, outline and develop content.
Flatfile - The new standard for data import