Umwelt is described as 'Allows to lock/unlock your Windows PC from your Android smartwatch or phone with Bluetooth proximity or the fingerprint reader. Also warns you if someone is stealing the laptop. The Mac version has less functionality but works with any BtLe device'. There are four alternatives to Umwelt for Mac, Windows and Linux. The best alternative is Bluetooth-Unlock, which is both free and Open Source. Other great apps like Umwelt are Guardian Angel (Paid), Handylock (Free, Open Source) and BtProx (Free Personal).
- 4 alternatives
- 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. View 8 alternatives to Handylock
The program is no longer developed. Last version, 1.2.10, released in June 2016, can be still downloaded from the official website.
- Free • Open Source