Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys
HubSpot Marketing Hub - HubSpot is a cloud-based inbound marketing software that allows businesses to transform the way that they market online.
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.
Ortto - Journeys made simple. Your customer data, messaging and analytics working together.