NetHunt CRM blends entirely with Gmail, placing the full-featured CRM right next to your emails. Everything you need is now available in Gmail inbox: customer profiles, deals and opportunities, data filters and views, team collaboration, email tracking, bulk email campaigns, and much more!
Built inside Gmail -- Integrated with Google Apps -- Available as a web version!
NetHunt has Professional and Enterprise subscription that plans are coming with the 14-day trial – no credit card required.