xoscope might be a bit more popular than Zynewave Podium. We know about 1 link to it since March 2021 and only 1 link to Zynewave Podium. 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.
They have a free version called "Zynewave Podium Free" https://zynewave.com/podium-free/. Source: over 1 year ago
For 433, you can use the microphone jack. It often does some differential / bias removal, so in general it will decay, but I got okay results (you can see edges mostly). https://xoscope.sourceforge.net/. Source: over 1 year ago
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