AdRoll is a retargeting and prospecting platform for advertisers.
Publishes cross-channel ad campaigns to over 500 ad exchanges, including Facebook, Twitter, Instagram, and Google.
Has proprietary real-time bidding algorithm, so you don’t overpay for ad space or placement.
Offers prospecting tool so you can find and market to new audiences who match your current ones.
Allows for automation and high data portability.
Sendy is a self hosted email newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES). This makes it possible for you to send authenticated bulk emails at an insanely low price without sacrificing deliverability.