SendGrid Email Analytics by Keen IO is the fastest way to analyze the performance of your email campaigns and take action. Compare campaigns and tests and download a list of users who performed any action. Use downloaded lists to keep your lists clean and drive up email performance with better campaigns.

Trello is a web-based Kanban-style list-making application. Originally made by Fog Creek Software in 2011, it was spun out to form the basis of a separate company in 2014 and later sold to Atlassian in January 2017.