The best alternatives to Typewrite Something are Azio Keyboard, USB Typewriter, and OverType. If these 3 options don't work for you, we've listed a few more alternatives below.
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Back the kickstarter for a ANSI 104 keycap set, custom legend keyset. DSA profile, matte finish, available in multiple colors (which backers will be able to vote on!). Depending on demand, this might be the one...