Dummy data class https://github.com/fzaninotto/Faker
PHP Imap class https://github.com/tedivm/Fetch
TravisLight [https://github.com/willdurand/TravisLight]
Twitter status update [https://packagist.org/packages/dg/twitter-php]
Posmark/Sendgrid etc mailer api [https://github.com/henrikbjorn/Stampie]