StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
App Launch Checklist - Planning tool for launching your app successfully
Histats - Start tracking your visitors in 1 minute!
ASO Tools by AppFollow - Tools for App Store Optimization in App Store & Google Play
Matomo - Matomo is an open-source web analytics platform
ConversionChecklist.org - A 41 point checklist to make your website convert better