Alexa:
Alexa software helps your business get better marketing results.
Amplitude:
Amplitude is a web and mobile analytics platform that helps companies understand user behavior.
Chartbeat:
Chartbeat tracks what people are reading on a second-by-second, pixel-by-pixel basis on each site, article and page
comScore:
comScore helps clients measure what matters to make cross-platform audiences and advertising more valuable
Google Analytics:
Google Analytics allows you to measure your advertising ROI as well as track your Flash, video, and social networking sites and applications.
Mixpanel:
Learn how people use your app with advanced mobile & web analytics.
Quantcast:
Quantcast Measure reveals unique audience insights, helping you differentiate your brand, site, or app.
UI/UX
Balsamiq:
Balsamiq Mockups is a rapid wireframing tool that helps you work faster and smarter.
Invision:
A prototyping platform for team collaboration and user feedback gathering. For free student access, use your NYU email and this security code: 56-73-13-19.