It looks like GoatCounter does; it uses a library, https://github.com/zgoat/isbot https://github.com/zgoat/isbot by the same author to detect bots. Detecting a

It looks like GoatCounter does; it uses a library, https://github.com/zgoat/isbot https://github.com/zgoat/isbot by the same author to detect bots. Detecting and deterring spam and sketchy behaviour while using open source software could be an interesting technical problem area.