Polymail Alternatives & Competitors

Airmail is a lightweight and lightning fast mail client for Mac.

Key Airmail features:

Customizable Interface Integration with Other Apps Unified Inbox Advanced Filtering and Search

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Key Thunderbird features:

Free and Open Source Customization Cross-Platform Robust Security

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s affordable, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Key VoIPstudio features:

Call Recording Call Forward Call Analytics and Reporting Call Conferencing

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Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues.

Key Spark Mail features:

Smart Inbox Collaborative Email Customization Unified Inbox

Open Source

Mailbird is the best email client for Windows 7, 8 and 10.

Key Mailbird features:

User-Friendly Interface Integration with Third-Party Apps Speed and Performance Unified Inbox

The best email app with AI & calendar.

Key Canary Mail features:

Security Unified Inbox Smart Features User Interface

There’s big news attached.

Key Apple Mail features:

Integration with Apple Ecosystem User Interface Privacy and Security Customizable Mail Rules

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Key Gmail features:

Generous Storage Integration with Google Services Powerful Search Functionality Spam and Virus Protection

The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.

Key Nylas Mail features:

Unified Inbox Customizability Built-in Analytics Developer-Friendly

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat. .

Key eM Client features:

Email Calendar Task management Events

freemium

The Power Email App for busy professionals, like you.

Key Postbox features:

Powerful Search Capabilities Integration with Other Tools Customizable User Interface Tab-Based Email Management

Superhuman is an email management tool.

Key Superhuman features:

Speed User Interface Advanced Features Focus

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Key Microsoft Outlook features:

Integration with Microsoft Ecosystem Calendar and Task Management Strong Security Features Customizable Interface

At Mixmax, our mission is to change how the world communicates. We’re an email productivity platform that helps sales, customer success, and recruiting teams do their jobs better.

Key Mixmax features:

Email Tracking Scheduling Templates Integrations