What are some alternatives?
Callpage - Callpage.io is widget which help you to get up to 75% more inbound calls from your website by...
Pagevamp - Turn your Facebook page into a website.
Callmaker - Callmaker allows your visitors get a callback within 25 seconds from your website.
FollowUp Personal CRM - The personal CRM for Gmail
Contactually - Contactually is a web-based CRM tool that will help maximize your network ROI, get more referrals & gain more repeat business. Start your free trial today!
Streak for Mobile - The CRM for Gmail