Best Email AI tools
Sending and handling email programmatically, from transactional delivery to inbox access. The 15 highest-ranked of the 16 apps tagged Email in the Onei AI catalogue.
Everything tagged Email: apps, skills and MCP servers
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Zinley, Inc.
A personal AI representative with its own phone number, inbox and computer that takes calls, works your email and runs tasks under rules you set.
Also: Personal Assistant, Scheduling, Telephony · Editor's pick
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Pilot Alpha Labs
AI executive assistant for founders that schedules meetings, writes the follow-ups and even places phone calls - over SMS, email and Slack, with no new app to install.
Also: Personal Assistant, Scheduling, Telephony · Editor's pick
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Clarify Inc.
An AI-native CRM that captures emails, calls and meetings automatically, then runs prospecting, research and follow-up through built-in sales agents.
Also: CRM · Editor's pick
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Superhuman
AI email app for Gmail and Outlook (formerly Superhuman) that auto-labels mail, drafts replies in your voice and answers inbox questions.
Also: CRM, Productivity, Scheduling
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Rytr is a low-cost AI writing assistant with 40+ use-case templates, custom tones of voice, plagiarism checks and a Chrome extension.
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Jacquard (formerly Phrasee) writes, scores and optimises on-brand marketing copy for email, SMS, push and web.
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An AI sales development rep that finds in-market buyers from real-time signals, researches each one, and runs multichannel outreach across email, LinkedIn, calls and video.
Also: CRM, Personal Assistant
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Google Labs
Google Labs' household agent: a shared daily brief across up to six family members, with calendars, tasks, meal plans and school paperwork handled for them.
Also: Personal Assistant, Productivity
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Publishing workspace where one piece of content becomes a website page, an email newsletter and social posts — and AI agents can draft it over MCP.
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AI co-worker that runs in Slack and iMessage, executing real tasks instead of just chatting.
Also: Personal Assistant
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An AI email client for Gmail that searches, drafts, organises, and schedules from a single prompt.
Also: Scheduling
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Build AI assistants that handle email, scheduling, CRM updates, and follow-up without you writing a workflow.
Also: CRM, Personal Assistant, Scheduling
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A B2B database of hundreds of millions of contacts plus the sequencing, dialling, and AI to work them.
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A meeting assistant that joins calls, writes the notes, and measures engagement across meetings, email, and messages.
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Cartasec Pte. Ltd.
AI email client from the Canary Mail team that sorts your inbox into Needs You, FYI and Noise, pulls out tasks, and flags phishing.
Also: Personal Assistant, Productivity
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.