rrweb - Open source JS library to record and replay the web
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.
66Analytics - Self-hosted analytics, heatmaps & session recordings.
Histats - Start tracking your visitors in 1 minute!
Hotjar - The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
Matomo - Matomo is an open-source web analytics platform