...*still going. 'Strong' maybe superfluous there;) 

 Dubstep* forum. Typos ffs 

 kaskus.co.id largest 🇮🇩 community since early 2000s and tonymac86 for hackintosh users, im not active in any of these just there lurking around 

 I think there are probably even more messageboards of geographic regions/communities which are going strong. You just don't hear about them perhaps unless you were in that location. (No reason why you would). There is a Brixton one actually you just reminded me of, that seems to still be going 

 is craigslist popular in uk? 

 don't think it was all that popular, gumtree seems to be the more popular equivalent 

 'Does Usenet still exist? Never ued that or figured it out'

:) 

 Google is destroying Usenet at the end of February 2024 🥺 

 What? Explain. 

 https://www.pcmag.com/news/end-of-an-era-google-groups-to-drop-usenet-support 

 Ah. Typical Google; embrace, then kill off support, and kill the original by that. 

 Soulseek is good for sharing idm music.