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

Rainmaker - Rainmaker allows you to make your Google Contacts better.

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!

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

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

dip - accountability groups for developers