audio-captcha

https://github.com/apidev234/Audio-Captcha#readme
v1.0.16 URL: https://unpkg.com/audio-captcha@1.0.16/lib/Audio-Captcha.js
OpenBrowse Files
captchaaudio-captchaaudiomp3voicevoice-captcha

als-captcha

Advanced CAPTCHA library
v2.1.0 URL: https://unpkg.com/als-captcha@2.1.0/index.js
OpenBrowse Files
captchasecurityimage-captchaaudio-captchabot-detectionnodejsanti-botmath-captchaweb-security