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Campaign Genius - Send dynamic email content through any platform, instantly.

Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.

GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!

Zoho CRM - Omnichannel CRM for Businesses of all sizes

MailChimp Snap - Send simple, photo-based email campaigns from your phone.