As a working programmer, I use Qt every day, and I am really impressed by the organization, design, and power that Qt brings to the C++ programmer.
While Qt began life as a cross-platform GUI toolkit, it has expanded to include portable facilities for just about every aspect of day-to-day programming: files, processes, networking, and database access, to name just a few. Because of Qt’s broad applicability, you really can write your code once and just recompile it on a different platform in order to have it work out of the box. This is extraordinarily valuable when your customer base requires your product to run on different platforms.
Of course, because Qt is also available with an open source license, if you’re ...