Poptin - Create engaging and high converting website pop ups and contact forms in minutes. With Poptin, you get access to a feature-packed conversion rate optimization toolkit that converts more website visitors into email subscribers, leads, and customers.
NewsWhip - Chrome extension that checks how viral your content is
Magic Popup by Frontender - Convert visitors Into email list subscribers
Promo Self Serve - Launch a promotion across the internet in 90 Seconds
Remindee - Capture & convert more attendees for live and online events.
SocialRank - Graph search for TWTR. Filter by interests, location, etc