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Add to SafariWhen comparing Qt / C++ vs Free Pascal, the Slant community recommends Qt / C++ for most people. In the question“What are the best languages to write a desktop Linux application in?” Qt / C++ is ranked 3rd while Free Pascal is ranked 8th. The most important reason people chose Qt / C++ is:
Professional, thorough documentation with examples, available either in a web browser or in the stand-alone desktop client called assistant.
Specs
Question Ranking
Pros
Pro Good documentation
Professional, thorough documentation with examples, available either in a web browser or in the stand-alone desktop client called assistant.
Pro Portable
Linux, BSD, Android, iOS, Windows, Mac, Blackberry ... Qt has 'em all.
Pro Global community
The community behind Qt is both massive and approachable. Digia (also owners) are joined by the likes of Intel, KDAB, ICS, Canonical and numerous others in sponsoring development, while communities such as KDE also contribute significantly. Forums are active, mailing lists are open, irc channels chatting, git repositories well managed. Answers to questions are usually minutes away.
Pro QML
QML is "HTML5 done right": a declarative language that integrates beautifully with C++ code when necessary and exposes the power of the GPU ... simply the best way to create a modern GUI in terms of effort and results.
Pro LGPL license
Pro Open Source
Qt is licensed under a OSS license through a dual-license policy.
Pro Fast compiler
Very fast, even big programs compile very quickly.
Pro Easy to learn
Pro Cross platform
Many target platforms and architectures.
Pro Powerful
Close to metal while being high level, performance to match C/C++
Cons
Con Not free/expensive
Free version is limited and prohibitive.
