PowerInbox Alternatives [Page 4]

litmus tests and tracks your email campaigns, so you can always put your best design forward.

The Adelphic self-service programmatic platform offers unprecedented transparency, breakthrough pricing and data-driven results through machine learning.

Tomba is the leading solution to find and verify professional email addresses. Start using Tomba and connect with the people that matter for your business.

Try for free Open Source freemium $39.0 / Monthly (Enterprise $389.00/mo Searches 25k Verifications 60k Teams 20)

Contextly provides content recommendation system for publishers.

Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.

Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.

freemium $15.0 / Monthly

StoryStream is a visual commerce platform specialising in UGC, social commerce, and earned media experiences.

Email marketing for less, via Amazon SES

Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.

Zemanta is an online content and links suggesting platform that provides a plugin to the bloggers, publishers and other types of content creators.

Digg delivers the most interesting and talked-about stories on the Web right now.

Benchmark provides online marketing tools to keep businesses connected to their customers and followers alike.

Open Source

Email Marketing Service Provider

Customer storytelling and word of mouth marketing software