Aritic Mail - Ariticmail is a transactional email delivery API for applications and enterprises.
Nova Inbox - Personalize emails in seconds, right from your inbox
Smartech - Smartech is a AI-powered Cross-channel Marketing Automation & Analytics Suite. It helps marketers and product managers LISTEN to and ANALYSE consumer behavior, and execute hyper-personalised campaigns to retain and engage users (CONVERSE).
Gmail Mail Merge - Send personalized emails with attachments
Doppler Relay - Doppler Relay guarantees the arrival of the Emails and allows to access detailed analytics in real time.
InboxSDK - First usable API to write Gmail Apps for 1B active users