iOSStash - A huge collection of app-related tools
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.
Lightwell - App creation platform for creatives.
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.
iOS Cookies - A hand curated collection of iOS libraries written in Swift
Flurry - Personalizing The Mobile Experience