Customer.io!

Intercom shows you who is using your product (the user's region, browser, local time etc.) and makes it easy to personally communicate with them through targeted, behavior-driven email and in-app messages.

A self hosted newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES). Complete with reports, subscriber & list management.

Convert leads and retain customers with Retainly marketing automation platform.

UserEngage is a full business-client communication platform including live chat, user tracking, marketing automation, CRM and emailing. It takes 5 minutes to implement and it is two times cheaper than nearest competition.It is aimed at increasing egagement and conversion rates with as little effort as possible.

A hosted service for cheap email marketing via Amazon SES. List management, campaign statistics and more.

The most powerful in-app messenger for websites and mobile apps

Interakt.co simplifies customer data analysis, marketing and interaction. We build tools which allow you to capture, engage, retain and support your customers from one single dashboard.

HelpCrunch is an all-around communication platform for customer service and sales, suitable for both web and mobile businesses.

Marketeer helps you to talk to your customers by the channel they love. Marketeer with its unique machine learning environment improve customer acquisition & retention with the least amount of resources.

Smart SMTP server for email marketing. Personal server distribution, automatically results in 5 minutes, their ' senders, automatic replies, the statistics in real-time and friendly support for each

PPMessage is an open source customer communication platform with the backend written in Python.

With MoonMail users are able to create and design marketing campaigns, analyze their success and performance, as well as view reports and statistics. The solution serves medium to large corporations and aims to increase campaign speed, efficiency, and transparency.

Salesmachine tells your customer success and sales team which customers they have to contact at the exact right time. Increase satisfaction and revenue.

ConvertFox is a comprehensive customer communication tool that helps every team in the internet business to effortlessly engage, retain & maximize the value of every customer. It enables every business to: