What are some alternatives?
When comparing Cop-Out and Date Checkup, you can also consider the following products
Excuse generator - Don't want to go to office? They are here to help.
World Cup Calendar Blocker - Add lies to your calendar so you can watch the game
WFH Ninja - A "work from home" excuse generator to start your day
Netflix Hangouts - Watch Netflix at work by faking a conference call
The Hat - Handy, free random name picker and list randomizer for Windows.
Faker - Faker is a PHP library that generates fake data for you