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.
TheReviewIndex - An Amazon review summarizer using neural networks
Histats - Start tracking your visitors in 1 minute!
ReviewBay - Aggregates the best reviews of Amazon products.
Matomo - Matomo is an open-source web analytics platform
Fakespot - Fakespot spots, analyzes and identifies fake reviews - helping you out when buying stuff online