Based on our record, BLOCS should be more popular than Karbon. It has been mentiond 2 times 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.
Can’t comment on RapidWeaver but I’ve seen a webpage made with blocs in the wild. Source: almost 2 years ago
I build and maintain my portfolio in Blocs App for Mac. Source: about 2 years ago
Similarly, Karbon (part of the Calligra suite) absorbed the suite's dedicated flowchart tool, and is pretty functional for this purpose, but it's primarily developed for Linux. While they have Windows installers, they're not the easiest to find and aren't directly supported. Source: about 2 years ago
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