coconutBattery - With coconutBattery you are always aware of your current battery health. It shows you live information about the battery in your Mac and iOS devices (iPhone, iPad)

Mailtrap - Email Delivery Platform that delivers just in time.
 Great for businesses and individuals.

Accubattery - Monitor's battery capacity through the use of science

FakeSMTP - FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.

GSam Battery Monitor - Monitor your android devices battery usage.

MailCatcher - MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...