hotword detection alternatives?

[hyansuper]

snowboy

• snowboy website for training custom hot word is closing down by end of 2020.
• hot words like 'snowboy' or 'alexa' is universially applicable, but custom trained hot words is specific to person and device

picovoice

• hot words like 'snowboy' or 'alexa' are free for use
• custom hot words is not specific to person, but expires after 30 days.

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untested: sound pattern rec like https://github.com/bishoph/sopare http://www.bishoph.org/

[hyansuper]

Reimplemented using pocketsphinx. It's opensourced and offline and supports non person specific hotword customization

https://blog.51cto.com/feature09/2300352