Superhuman
Fast keyboard-driven email client for Gmail and Outlook accounts, with split inboxes, reminders and AI drafting and summaries.
- Works with Gmail
- Works with Outlook
- Mobile app
Shortwave
Email client for Gmail accounts with an AI assistant that searches, summarizes and drafts, plus bundles that group similar mail.
- Free plan or free tier
- Works with Gmail
- Mobile app
Spark
Email client from Readdle with a smart inbox that separates people from newsletters and notifications, plus AI writing help.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Microsoft Outlook
Microsoft's email and calendar app; with Copilot on eligible plans it summarizes long threads and drafts replies.
- Free plan or free tier
- Works with Outlook
- Mobile app
Gmail
Google's email service; Gemini in Gmail can summarize threads and help write replies on eligible plans.
- Free plan or free tier
- Works with Gmail
- Mobile app
Proton Mail
Encrypted email from Proton with an optional AI writing assistant, Proton Scribe, for drafting and shortening messages.
- Free plan or free tier
- Mobile app
Canary Mail
Email client with an AI copilot that summarizes and drafts, plus read receipts and options for encrypted mail.
- Works with Gmail
- Works with Outlook
- Mobile app
Notion Mail
Notion's email client for Gmail accounts that sorts mail into custom views and can label messages with AI.
- Works with Gmail
Zoho Mail
Business email from Zoho with Zia, the company's assistant, for help with summaries and writing.
- Free plan or free tier
- Mobile app
- Developer API
Yahoo Mail
Free email service whose apps add AI summaries of messages and views that group receipts, travel and other mail.
- Free plan or free tier
- Mobile app
SaneBox
Moves low-priority mail out of your inbox into folders based on how you treat similar mail, and sends a digest of what it moved.
- Works with Gmail
- Works with Outlook
Fyxer AI
Assistant for Gmail and Outlook that labels incoming email by priority and drafts replies in your tone for you to review.
- Works with Gmail
- Works with Outlook
Inbox Zero
Open-source AI email assistant for Gmail that follows rules written in plain English, plus bulk unsubscribe and cold-email blocking.
- Works with Gmail
Lindy
Builds AI assistants from plain instructions that can triage your inbox, draft replies and handle other admin tasks.
Boomerang
Gmail and Outlook add-on that schedules sends, brings back messages that get no reply, and checks drafts with its Respondable feature.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Mailbutler
Extension for Gmail, Outlook and Apple Mail with follow-up reminders, tracking, notes, tasks and an AI assistant for drafting.
- Works with Gmail
- Works with Outlook
Right Inbox
Gmail extension for reminders, scheduled sends, templates, private notes and simple follow-up sequences.
- Free plan or free tier
- Works with Gmail
Mixmax
Sales engagement in Gmail with sequences, open tracking, meeting scheduling and AI writing for outreach and follow-ups.
- Works with Gmail
Streak
CRM that lives inside Gmail: pipelines of email threads, mail merges, tracking and AI summaries of deals.
- Free plan or free tier
- Works with Gmail
- Mobile app
Yesware
Email tracking, templates and follow-up campaigns for sales teams working in Gmail and Outlook.
- Works with Gmail
- Works with Outlook
Clean Email
Groups mail by sender and type so you can delete, archive or unsubscribe in bulk, with rules that keep cleaning automatically.
- Works with Gmail
- Works with Outlook
- Mobile app
Mailstrom
Bundles messages by sender, subject and age so you can delete, archive or unsubscribe from hundreds at a time.
- Works with Gmail
- Works with Outlook
Leave Me Alone
Lists every newsletter and mailing list you receive and unsubscribes you from the ones you pick, with a privacy-first model.
- Works with Gmail
- Works with Outlook
Unroll.Me
Lets you unsubscribe from lists and roll the newsletters you keep into one daily digest email.
- Free plan or free tier
- Works with Gmail
- Mobile app
Grammarly
Writing assistant that checks grammar, tone and clarity in Gmail, Outlook and most other apps, and can draft or rewrite replies.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Wordtune
Suggests rewrites of your sentences as you type in the browser, including in Gmail, to make them shorter, more formal or more casual.
- Free plan or free tier
- Works with Gmail
Text Blaze
Chrome extension for reusable snippets and templates with fill-in fields, plus AI writing, that works in Gmail and other web apps.
- Free plan or free tier
- Works with Gmail
TextExpander
Snippet tool that expands short abbreviations into full replies across apps, with shared snippet libraries for teams.
- Mobile app
Magical
Chrome extension that combines text expansion with AI drafting for replies, messages and repetitive form filling.
- Free plan or free tier
- Works with Gmail
Lavender
AI email coach for sales and outreach emails that reviews drafts in Gmail and Outlook and suggests changes.
- Works with Gmail
- Works with Outlook
QuillBot
Paraphrasing and grammar tool with a browser extension for rewording sentences in email and other web apps.
- Free plan or free tier
LanguageTool
Grammar and style checker for many languages with browser extensions that work inside webmail, plus AI rephrasing.
- Free plan or free tier
- Works with Gmail
- Developer API
Front
Shared inbox platform for teams handling email, chat and SMS together, with assignments, internal comments and AI summaries and drafts.
- Works with Gmail
- Works with Outlook
- Mobile app
Missive
Team email client with shared inboxes, chat beside each email thread, rules and AI writing and summaries.
- Works with Gmail
- Works with Outlook
- Mobile app
Help Scout
Help desk built around a shared inbox, with saved replies, a knowledge base and AI summaries and answers.
- Mobile app
- Developer API
Hiver
Shared inbox that runs inside Gmail, letting teams assign emails, add notes and track replies without a separate app.
- Works with Gmail
Gmelius
Workspace inside Gmail with shared inboxes, Kanban boards and automations, plus AI features for replies.
- Works with Gmail
Spike
Email client that shows mail as chat threads, with team spaces, shared notes and an AI assistant.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Helpwise
Shared inbox for email, SMS and social messages with assignments, collision detection and AI replies.
- Works with Gmail
Drag
Turns Gmail into Kanban boards so a team can move emails between columns like tasks, with shared inboxes.
- Free plan or free tier
- Works with Gmail
Zapier
Connects your inbox to other apps, so a labeled or forwarded email can become a task, a ticket or a spreadsheet row.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Todoist
Task manager where you can forward emails into tasks or add them from Gmail and Outlook, with AI help to break tasks down.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Sunsama
Daily planner that pulls emails, tasks and calendar events into one plan for the day, with time limits you set.
- Works with Gmail
- Works with Outlook
- Mobile app
Akiflow
Collects tasks from email, Slack and other apps into one inbox and helps you time-block them on your calendar.
- Works with Gmail
- Mobile app
Motion
Plans your day by fitting tasks and projects into your calendar automatically and replanning when things move.
- Mobile app
- Developer API
ClickUp
Work management app where emails can become tasks, with an AI assistant for summaries, writing and updates.
- Free plan or free tier
- Mobile app
- Developer API
Microsoft 365 Copilot
Microsoft's AI assistant for its 365 apps; in Outlook it summarizes threads, drafts replies and finds information across your mail.
- Works with Outlook
- Mobile app
Gemini
Google's AI assistant, which can search and summarize your Gmail when you connect it, and help draft messages.
- Free plan or free tier
- Works with Gmail
- Mobile app
ChatGPT
OpenAI's assistant, which can connect to Gmail on supported plans to search messages and summarize threads.
- Free plan or free tier
- Works with Gmail
- Mobile app
Claude
Anthropic's assistant, which can connect to Gmail and Google Calendar to search, summarize and draft from your mail.
- Free plan or free tier
- Works with Gmail
- Mobile app
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