Charmstone (Paid) The quicker switcher launcher for macOS, same as Rcmd. Just another choice I guess. Source: over 1 year ago

Not exactly what you are describing: Charmstone. Source: over 1 year ago

Charmstone [1] is a different take from everything mentioned here (I'm the developer). The idea is to use your spatial memory to switch/launch apps faster than anything else that I've found, with a smaller learning curve and less memorization. You can use keyboard shortcuts with the arrow keys, modifier keys + cursor movement, or a trackpad gesture. [1] https://charmstone.app. - Source: Hacker News / over 1 year ago

Https://charmstone.app is somewhat like this OP. Source: over 1 year ago

I had a few people point out how this is similar to https://charmstone.app,. - Source: Hacker News / almost 2 years ago

If the sticky keys come back, you can use software like this to mitigate it reasonably well. Source: about 1 year ago

I use Unshaky as it fixes the issue entirely on my 2016 13”. Maybe that could be mentioned to a possible buyer? Source: over 1 year ago

I believe there’s software for detecting and removing double typed letters. It was developed for people suffering the same issue on butterfly keys. Google for it. Here’s one app example. Source: about 2 years ago

I found this: https://unshaky.nestederror.com. Source: over 2 years ago

I did a little search and there is a software that could maybe fix this. Source: almost 3 years ago