MacSentry includes 4 great utilities to help you manage your Mac:

• VPN lets you connect simply and easily to a VPN. With it, you can protect your privacy and secure your data while having unrestricted Internet access. A MacSentry subscription is required for VPN services. Protect your data and your privacy with a VPN subscription from MacSentry. Features include:
• Multiple locations around the world
• Connect up to 5 devices at the same time
• Network Lock - locks your Internet while reconnecting to protect your from leaks
• Kill Switch - kill any applications if you get disconnected from the Internet
• Connecting using UDP or TCP
• Unlimited bandwidth
• Unlimited server switches
• P2P support
• and more...
• Connection provides you with advanced information on what applications are connecting to the Internet.
• Battery Status gives you detailed information on your MacBook's battery, including time remaining, current power usage, percentage remaining, and more.
• Disk Manager helps you clean large and old files from your computer, allowing you to free up drive space. It works in a non-intrusive way that does not interfere with system files, allowing you to free-up space without causing your system to crash.

The published price is that of a one-year subscription, paid annually, though MacSentry is free to download and use. View full pricing info.