HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
NewsWhip - Chrome extension that checks how viral your content is
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Promo Self Serve - Launch a promotion across the internet in 90 Seconds
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
Viral Coefficient Calculator - Calculate a viral referral loop for apps