Best Postbox Alternatives (68)
Looking for a Postbox alternative? We've compiled the best options based on user reviews, features, and pricing to help you find the right fit.
What is Postbox? Postbox is an email client for Windows and macOS that provides a clean, easy-to-use interface for managing multiple email accounts. It supports POP3, IMAP, Exchange, Gmail, Outlook.com, Yahoo and more.
Top Alternatives to Postbox
Pantheon Mail
Open SourcePantheon Mail is an open-source, privacy-focused email service. It features end-to-end encryption, zero-knowledge architecture, anonymous registration, and secure storage.
Kiwi for Gmail is a Chrome extension that enhances the Gmail experience by allowing users to schedule emails, snooze emails, …
MailTab for Gmail is a free browser extension that enhances the Gmail interface by adding tabs for increased productivity. It …
Zimbra Desktop
Open SourceZimbra Desktop is an open source email and calendar client that connects to Zimbra Collaboration servers. It provides access to …
EssentialPIM is a personal information manager software for Windows that allows you to organize contacts, calendars, tasks, notes, passwords, and …
Nylas Mail Lives
Open SourceNylas Mail Lives is an open-source email client built with React and Flux. It aims to deliver a fast, extensible, …
Thunderbird
freeMozilla Thunderbird is a free and open-source email client and personal information manager developed by the Mozilla Foundation. Known for …
Spark Mail
freeSpark Mail is a modern and user-friendly email client designed for productivity and collaboration. Developed by Readdle, Spark offers intelligent …
Apple Mail
freeApple Mail, often simply referred to as Mail, is the default email client included with Apple's macOS and iOS operating …
Simple Mail
Open SourceSimple Mail is an open-source, minimalist email client focused on simplicity and ease of use. It has basic email features …
LeaderSend
FreemiumLeaderSend is an email marketing and automation platform designed for small businesses. It allows creating and sending email campaigns, building …
Claws Mail
Open SourceClaws Mail is an open-source email client and news client for Linux and other Unix-like operating systems. It supports features …
Superhuman
SubscriptionSuperhuman is an email client designed to help users get through their inbox efficiently. It uses AI and keyboard shortcuts …
Bluemail is an email client for Mac that focuses on privacy and security. It has a clean, ad-free interface, supports …
Inbox by Gmail is a smart email application created by Google. It aims to organize your inbox better by bundling …
Nextcloud Mail
Open SourceNextcloud Mail is an open source email client that integrates with Nextcloud to provide email, calendar, and contacts functionality. It …
WunderMail is an easy-to-use email client with excellent organization features. It allows you to group emails into customizable tabs and …
Becky! Internet Mail is an email client for Windows that provides a simple interface for managing multiple email accounts in …
Microsoft Mail and Calendar is a free email and calendar service developed by Microsoft. It comes included with Windows 10 …
Mimestream is an email client app that allows users to manage multiple email accounts in one place. It has features …
Mia for Gmail
FreemiumMia for Gmail is an email assistant tool that helps users organize, prioritize, and manage their Gmail inbox more effectively. …
Mail Backup X is an email backup software that allows users to easily back up emails from various email providers …
Juicy Mail
Open SourceJuicy Mail is an open-source email client for Windows that focuses on user-friendliness and customization. It provides full support for …
Microsoft Outlook Express is a discontinued email and news client that was included with Internet Explorer versions 6 through 10. …
Outlook is an email, calendar, and contacts manager developed by Microsoft. It is part of the Microsoft Office suite of …
Mail Pilot is an email client app for Mac that aims to help users organize their inboxes more efficiently. It …
Mailspring
Open SourceMailspring is an open-source email client for personal use. It aims to provide an interface that is both intuitive and …
Canary Mail is an email client app for Mac, iOS, and Android devices. It provides a modern, intuitive interface allowing …
More Similar Software
Postbox Overview
Postbox is an email client application developed by Postbox Inc. It is available for Windows and macOS platforms. Postbox provides a fast, customizable interface for managing multiple email accounts from providers like Gmail, Outlook, Exchange, iCloud, Yahoo, and more.Some key features of Postbox include:Unified inbox to view all emails from different accounts in one placeCustomizable interface with support for themes and add-onsInbuilt calendar and contacts managerEmail encryption and digital signaturesCollaboration tools for sharing calendars, contacts etc.Offline access to enable reading …
Pricing: Subscription
Quick Comparison
| Software | Pricing | Score |
|---|---|---|
| Postbox | Subscription | — |
| Spicebird | Open Source | — |
| Pantheon Mail | Open Source | — |
| ProfiMail | N/A | — |
| aerc | Open Source | — |
| Kiwi for Gmail | N/A | — |
| Calypso | Free | — |
| Mailsmith | N/A | — |
| MailTab for Gmail | N/A | — |
| eM Client | N/A | — |
| Zimbra Desktop | Open Source | — |
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