Vero - Email platform for product, marketing and engineering teams
SquareSpace - Squarespace is the easiest way for anyone to create an exceptional website. Pages, galleries, blogs, e-commerce, domains, hosting, analytics, 24/7 support - all included.
Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
LeadPages - LeadPages™ Software is the world's easiest landing page generator. It's the easiest way to build conversion optimized & mobile responsive landing pages.
Aritic Mail - Ariticmail is a transactional email delivery API for applications and enterprises.
Instapage - Backed by award winning design and the largest community of conversion marketers on the planet, Instapage builds tools that make landing page marketing easy.