There are a few listed here as well: https://1sheeld.com/top-5-arduino-voice-control-modules/
Again, it's not obvious if they do numbers.
This looks like a really interesting option too: https://github.com/arjo129/uSpeech (a library meant for Arduino)
I'm not 100% sure if it could work on numbers though - it seems like it might actually only work on the very first sound in the word: https://github.com/arjo129/uSpeech/wiki/Designing-your-vocabulary
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
There are a few listed here as well: https://1sheeld.com/top-5-arduino-voice-control-modules/
Again, it's not obvious if they do numbers.
This looks like a really interesting option too: https://github.com/arjo129/uSpeech (a library meant for Arduino)
I'm not 100% sure if it could work on numbers though - it seems like it might actually only work on the very first sound in the word: https://github.com/arjo129/uSpeech/wiki/Designing-your-vocabulary