Keycard Alternatives
Keycard is described as 'is undoubtedly the easiest way to keep your Mac secure when you're not around' and is an app in the security & privacy category. There are five alternatives to Keycard for Mac, iPhone, iPad and Apple Watch. The best alternative is Near Lock. It's not free, so if you're looking for a free alternative, you could try Handylock. Other great apps like Keycard are Tokenlock, Guardian Angel and Airlock.
Near Lock is an app that turns your iPhone into a personal key for your Mac. When you walk away from your Mac, it will be automaticallylocked. Once you approach your workplace again, Near Lock will unlock your Mac.
Discontinued
Not compatible with MacOS Catalina. The developer promised an update, but never delivered.
TokenLock - The ultimate Mac Locking App. Automatically Lock your computer using USB, Bluetooth (iPhone) Proximity or your Apple Remote, from the menu, by clicking the icon or using a Hotkey. Check out www.map-pin.com for demos and more info!
handyLock is an application that locks your Mac screen when you move away from it. This way your Mac is safe and secured from unauthorized access.
Discontinued
The program is no longer developed. Last version, 1.2.10, released in June 2016, can be still downloaded from the official website.
Guardian Angel watches over your Mac, locking it whenever you leave, and automatically unlocking it when you return.
Airlock allows your Mac to lock itself, plain and simple. Using your iPhone, Bluetooth® wireless technology, and a smidgen of pixie dust, Airlock determines whether you're near your computer. When you leave the room - poof! - your Mac locks itself. “And when I come back?
Discontinued
Has been discontinued for years