What are some alternatives?
When comparing Cop-Out and Excuse generator, you can also consider the following products
WFH Ninja - A "work from home" excuse generator to start your day
Date Checkup - Schedule fake calls and messages to rescue you
Netflix Hangouts - Watch Netflix at work by faking a conference call
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
Faker - Faker is a PHP library that generates fake data for you
OOOTwitter - Out-of-office reply for Twitter