Based on our record, FireRTC 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.
I personally use firertc.com since its free, although I'm not sure if the sign up is open anymore. Source: about 3 years ago
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