Typitron is described as 'Improve productivity with real-word exercises and a smart algorithm that adapts to your progress, focusing on the most common letter pairs' and is a Typing Tutor in the education & reference category. There are more than 50 alternatives to Typitron for a variety of platforms, including Web-based, Windows, Mac, Linux and iPhone apps. The best Typitron alternative is Monkeytype, which is both free and Open Source. Other great apps like Typitron are Klavaro, keybr, Keypunch and ClickClack.
aTypeTrainer4Mac is a multilingual typing tutor for Mac OS X. It is an advanced version of TypeTrainer4Mac. All the system keyboard layouts (but not input methods!) as well as a wide variety of non-system keyboard layouts (i.e.
GNU Typist (also called gtypist) is a universal typing tutor. You can learn correct typing and improve your skills by practising its exercises on a regular basis.
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