openHAB might be a bit more popular than Leap Motion. We know about 1 link to it since March 2021 and only 1 link to Leap Motion. 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.
100$/hr sounds a bit suspicious, your last post was three years ago trying to get hire people for https://leapmotion.com/. You didn't mention any of the features you wanted here either. Source: over 2 years ago
You can start on a general home automation like openhab.org. Source: almost 2 years ago
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