On LaTeX-Community.org, founded January 2007, many authors published articles about LaTeX and related tools. The site has been renamed to LaTeX.net. The accompanying forum is LaTeX.org.
All of the servers and web sites here are supported by DANTE e.V., the German speaking TeX user group. For several years now, DANTE covered the provider and hardware costs for two professional servers that have enough resources to run various virtual machines for different purposes. The maintainer of the servers is Stefan Kottwitz.
This is what runs on this DANTE supported hardware: