SentriLockCardUtility 3.1 for Mac can be downloaded from our website for free. The actual developer of this free software for Mac is Sentrilock. The software lies within System Tools, more precisely General.
From the developer:
SentriLock has more to offer than just a lockbox!
You may want to check out more Mac applications, such as SimpleError, AirportLocation-Leopard or Cookie Assassin, which might be similar to SentriLockCardUtility.