MailChimp - MailChimp is the best way to design, send, and share email newsletters.
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
Percolator - Percolator: the always fun, supremely unique photo app that is sure to surprise you! FEATURES:
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
Timber.io - Timber.io is the best logging platform for ruby, node, elixir and much more.
Drip - Turn more website visitors into customers with crash course