Twine is an Android app that blends AI assistant abilities with more traditional app launcher abilities. You can store contact information and draft emails and text messages based on notes or tasks. That makes it a useful tool for contact and communication management.
Clay is an all-purpose relationship management tool available on iPhone, Mac and web interfaces. It can house contacts in real-time and suggest follow-up actions. Clay can house notes and reminders, too, which is useful for professionals who have complicated relationships.
If you want a specialized email tool, Flowrite drafts high-quality messages based on prompts and integrates with many email and messaging apps. It has templates for common messages, and it can save you time by suggesting replies, so it's good for people who communicate a lot.