Highly for iOS - Medium-style highlighting in every app and website. 🖌

Cardhop - The Mac contacts app you'll want to use.

LINER - LINER AI Copilot is currently powered by ChatGPT/GPT-4, Google Search Engine, and information from high-quality highlights of an enormous number of users from all around the world.

The Contact Guru - Managing your contact list so you don't have to

Highlight - "Highlight" physical books through conductive pages 📖✨

Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.