SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.
Tape It - App for songwriting & audio recording.
Site Rank Data - View historical rank information of websites via time series charts.
Songcraft.io - A platform for songwriters to write, organize & collaborate.
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
RiffShare - Write down a musical riff, send to band members, collaborate