Mailtrap - Email Delivery Platform that delivers just in time. Great for businesses and individuals.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
MailCatcher - MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
FakeSMTP - FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.