What are some alternatives?
ActiveDEMAND - ActiveDEMAND is an integrated marketing platform for marketing agencies.
Marketing Optimizer - Optimize conversion rates, increase lead-to-close ratio, and resell leads easily. Includes complete WordPress integration.
NotifyVisitors - Cross Device Customer Engagement & Conversion Rate Optimisation Software
SendX - SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting to drive more revenue.
TapClicks - TapClicks is a cloud-based solution designed to unify marketing, advertising and branding activities in a user-friendly, adaptable and scalable interface. Read more about TapClicks.
DailyStory - DailyStory is marketing automation made simple.