Alternatives to Batteries

Battery level monitoring software

Monitor computer's sleeping habits

App for managing battery charging. (Also installs a CLI on first use.)

System monitor for the menu bar

Menu bar tool to limit maximum charging percentage

Tool to show live information about the batteries in various devices

Utility that shows the latest app updates

Make your battery information a bit more interesting

Reports power adapter and battery status

App for managing battery charging

Set of CPU, memory, disk, and network monitoring tools

Utility that prevents the system from going to sleep