optinmonster.com
OptinMonster is an online lead generation software. It is a standalone application that integrates with web platforms, such as Drupal, WordPress, Joomla, Shopify, Magento, and Bigcommerce.
LINK: http://optinmonster.com/
Wpisy
1password.com
1Password is a password manager. It provides a place for users to store various passwords, software licenses and other sensitive information in a virtual vault that is locked with a PBKDF2-guarded master password.
LINK: https://1password.com/