Based on our record, AllChars seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Also see AllChars: https://allchars.zwolnet.com/ This was universal functionality on the DEC terminals that IBM adapted the PC AT Enhanced keyboard layouts from. It's a standard feature on Sun machines too, and can be turned on trivially in Linux. So there are many implementations. - Source: Hacker News / over 2 years ago
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PopChar - The character map that works!
Hot Virtual Keyboard - A replacement for Windows' built in virtual touch keyboard.
Holdkey - Holdkey is a Windows program that makes it easy to type characters with accents..