I personally haven't come across one, but in a pinch you can just use speakerphone mode and place it next to another recording device (like a laptop running Audacity or a fork like Tenacity, which are at least FOSS).
I personally haven't come across one, but in a pinch you can just use speakerphone mode and place it next to another recording device (like a laptop running Audacity or a fork like Tenacity, which are at least FOSS).