GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!
Journeys by Indicative - Discover all the paths customers take through your product
Quokka (formerly Kryptowire) - The gold standard in SAST, MAST, IAST, and more!
Plainflow - Behavior-based customer journeys for your SaaS
HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
HockeyStack - Not just another simple analytics tool.