Apps You Love To Use

The Rocket Science Group creates tools—web and mobile apps—that connect you with fans, keep you safe, and generally make your life easier.


  • MailChimp

    Newsletters For Business

    MailChimp helps you design email newsletters, share them on social networks, integrate with other services and track your results. And it’s how we make all our money.

  • Mandrill

    Email For Apps

    Mandrill is a transactional email service that runs on the same delivery infrastructure that powers MailChimp.

  • Tinyletter

    Newsletters for People

    TinyLetter is a simple newsletter service for people with something to say. Design a signup form, compose your letter, and reply to your readers. That's all there is to it.

  • Omnivore

    Omnivore is a powerful abuse-detection technology that keeps MailChimp clean by predicting bad behavior before it even happens.

  • ChimpFeedr

    ChimpFeedr is a supplement to MailChimp’s RSS-to-Email tool. It can mash several RSS feeds into one huge master feed, so you can send content from multiple sources all at once.

  • MailChimp Subscribe

    Collect email addresses in person at a storefront or conference with MailChimp Subscribe. Store them locally on your iPad or Android tablet, even when you’re not online.

  • unFurlr

    Unfurlr shows you the destination of shortened URLs before you click, so you can avoid phishing attacks and other nefarious links.

  • Pictaculous

    Ever wondered what colors to use with an image? Just email a picture to Pictaculous, and we'll send back some color suggestions. Simple as that.

  • Integrate WordPress with Twitter and Facebook, so you can collect everything people are saying about your blog in one place.