Threads.io
Trigger automated behavior-driven emails (by SendGrid).
5 Alternatives To Threads.io
Iterable
Highly-personalized, mobile-optimized email marketing
Pluck
Pluck, also known as pluck-cms, is an open source content management system, written in the PHP scripting language.
PowerReviews
PowerReviews maximizes the benefit of having customer feedback by channeling it into developing new solutions.
Sigstr
Email signature marketing