Automatically login based on whitelisted IP, basic auth username or URL keys.
Set ceretain users to automatically login to their account (front-end or control panel) without their username and password. Great for local development too!
Provide a collection of IPs to restrict autologin
Provide a unique "key" as a URL, to allow users to login simply be visiting a unique URL.
Available for Craft 3, 4 and 5. Get it from the plugin store.