Probably HolyC. It has only been used to create one "real world" application, and that was an OS whose creator sadly passed away and isn't really used for anything besides novelty. It's impressive in that a single person created a language and OS from scratch, but also it's not worth learning where there are hundreds of other languages you could learn.
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Probably HolyC. It has only been used to create one "real world" application, and that was an OS whose creator sadly passed away and isn't really used for anything besides novelty. It's impressive in that a single person created a language and OS from scratch, but also it's not worth learning where there are hundreds of other languages you could learn.