Postbox AlternativesEmail Clients and other similar apps like Postbox
Postbox is described as 'Email application that helps you organize your work life and get stuff done' and is a very popular Email Client in the office & productivity category. There are more than 50 alternatives to Postbox for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best Postbox alternative is Thunderbird, which is both free and Open Source. Other great apps like Postbox are Microsoft Outlook, Evolution, eM Client and Spark Mail.
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Postbox alternatives are mainly Email Clients but may also be Calendar Apps or Todo List Managers. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Postbox.- Email Client
- Paid • Proprietary
63 Mailbird alternativesStreamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.
84 Thunderbird alternativesCross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.
License model
- Free • Open Source
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Android
- BSD
- AppImageHub
- Snapcraft
- Flathub
- PortableApps.com
- F-Droid
- Haiku
- Homebrew
- Chocolatey
Thunderbird VS Postbox
131 Microsoft Outlook alternativesStreamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.
License model
- Paid • Proprietary
Application types
Country of Origin
- United States
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Android Wear
Top Microsoft Outlook Features
Microsoft Outlook VS Postbox
75 Evolution alternativesEvolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.
License model
- Free • Open Source
Application types
Country of Origin
- United States
Platforms
- Linux
- BSD
- Flathub
- S/MIME
- GNOME
- OpenPGP
Top Evolution Features
Evolution VS Postbox
62 eM Client alternativeseM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
License model
- Freemium • Proprietary
Application types
Country of Origin
- United States
Platforms
- Mac
- Windows
- Android
Top eM Client Features
eM Client VS Postbox
62 Spark Mail alternativesE-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
License model
- Freemium • Proprietary
Application types
Country of Origin
Ukraine
Platforms
- Mac
- Windows
- Android
- iPhone
- iPad
- Apple Watch
Top Spark Mail Features
Spark Mail VS Postbox
41 Mailspring alternativesBoost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
License model
- Freemium • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Arch Linux
- Fedora
- Ubuntu
Mailspring VS Postbox
73 Apple Mail alternativesThere’s big news attached. The best way to manage email on a Mac, according to Apple.
License model
- Free • Proprietary
Application type
Country of Origin
- United States
Platforms
- Mac
- iPhone
- iPad
Apple Mail VS Postbox
Comments about Apple Mail as an Alternative to Postbox
48 Geary alternativesGeary is an email application built around conversations, for the GNOME 3 desktop.
License model
- Free • Open Source
Application type
Country of Origin
- United States
Platforms
- Linux
- BSD
- Flathub
- GNOME
- Flatpak
Geary VS Postbox
- 63 Mailbird alternatives
Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.
Mailbird VS Postbox
62 Claws Mail alternativesClaws Mail is an email client (and news reader), based on GTK+, featuring
Quick response Graceful, and sophisticated interface Easy configuration, intuitive operation Abundant features Extensibility Robustness and stability.
Claws Mail VS Postbox
181 EssentialPIM alternativesThe powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
License model
- Freemium • Proprietary
Application types
Country of Origin
Estonia
EU
Platforms
- Windows
- Android
- iPhone
EssentialPIM Features
EssentialPIM VS Postbox
61 Canary Mail alternativesCanary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!
License model
- Freemium • Proprietary
Application types
Country of Origin
United Kingdom
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
Canary Mail VS Postbox
Postbox has dozens (hundreds?) more features than Apple Mail, not the least of which is keyboard navigation, keyboard filing, option for multiple identities within each account, the ability to choose which mailbox is your Sent mail, and a lot more.