
GTK
Qt
PyQt
WompMobile
OutSystems
Mendix
Quasar Framework
wxWidgets: Cross-Platform GUI Library

Thunderbird
Mailbird
eM Client
Microsoft Outlook
ProtonMail
Apple Mail
Mailspring
The Power Email App for busy professionals, like you.
Which is more popular?
Based on our record, wxWidgets seems to be more popular. It has been mentioned 14 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | wxwidgets.org | postbox-inc.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Postbox is recommended for power users, professionals, and businesses that require advanced email organization features, customizability, and integration with other productivity tools.
Walkthroughs and reviews on video.
Cross Platform Graphical User Interfaces in C++
More videos
App Pick of the Week: Postbox
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using wxWidgets and Postbox. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Postbox is a tool that helps you to add dynamic data fields to responses and templates. It allows you to reuse HTML snippet within message replies. This Outlook mail client alternative app provides more than 25 design...
Outlook, an email client with a similar Microsoft interface and similar features to Thunderbird, should be considered by anyone using Microsoft Office. Many power users like PostBox for Windows and Mac, MailMate for...
Next up, on our list of the best Thunderbird alternatives, we have PostBox. It is accessible for Windows and Mac. It offers some advanced features as you can point out particular folders as favorites for quick action.
Recommendations tracked on public social media and blogs since March 2021.


Linux is rarely a porting issue for C++ or python: https://wxwidgets.org/ Static linking libraries for MacOS or Windows is contaminated by GPL/LGPL code, and this why wxwidgets excludes the disclosure requirement. Also, if you are... - Source: Hacker News / 6 months ago
Some other options. https://github.com/andlabs/libui > Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports. Missing a lot of desktop features and abandoned.... - Source: Hacker News / 7 months ago
That is a fact, and why https://wxwidgets.org/ had to have a more open license to cross-port programs from/to other platforms (especially Android and windows often needed Static builds just for practical reasons.) Additionally, a... - Source: Hacker News / 9 months ago
Tracking Postbox since Mar 2021.
When comparing wxWidgets and Postbox, you can also consider the following products.

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
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Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
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Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.
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Mailbird is the best email client for Windows 7, 8 and 10
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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.
Compare eM Client to wxWidgets or Postbox: