https://www.ukclimbing.com/forums/ https://www.ukclimbing.com/forums/ If you're into rock climbing, mountaineering, walking, etc. Discussion can get a bit "rob

https://www.ukclimbing.com/forums/ https://www.ukclimbing.com/forums/ If you're into rock climbing, mountaineering, walking, etc. Discussion can get a bit "robust" but there are some super-helpful people on the UKC forums. Also sections for cycling, photography, skiing, etc. I'm not sure what software they run: probably fairly custom. The platform had a big refurbishment a year or so ago.