isbot-fast
JavaScript module detecting bots/crawlers/spiders via user-agent
device-detect
JavaScript module to check if user agent to return the device and browser.
browserama
A browser detection package that uses feature detection instead of user agent
@dvlden/is-webview
Detect if a visitor is coming through a webview or a native browser using user-agent.
ua2os
Detect the OS from a User-Agent string.