Startup Growth Roadmap - Get from idea to product market fit
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.
OpinionX - Stack rank people's priorities in minutes with OpinionX's free ranking surveys.
Histats - Start tracking your visitors in 1 minute!
Product Fit - Measure product/market fit in app with your users.
Matomo - Matomo is an open-source web analytics platform