If you use home assistant, nabu casa has an ”Assist Sattelite” voice-kit hardware platform in the pipeline, I’m hoping to replace all my Alexa’s once available.

Details in the top post here: https://community.home-assistant.io/t/respeaker-lite-new-seeed-studio-voice-assistant-development-kit-hardware-combine-esp32-with-xmos-xu316-dsp-chip-for-advanced-audio-processing-as-a-esphome-based-home-assistant-assist-satellite-voice-devkit/756944/321

There’s a patent post on Reddit recently too, I won’t link that 😂