Hundreds (!) of portals -- thematic gateways to wikipedia content on all kinds of topics -- in the following categories: Arts, Biography, Geography, History, Mathematics, Philosophy, Science, Society , and Technology.
Two lists of Wikipedias for various languages (actually the same lijst ordered in two ways). The first list, ordered door size, is the complete lijst of all 229. The seconde lijst is ordered door local language name.
This is where to ask vragen on how to use Wikipedia such as how to work on articles, how to operate the software to use Wikipedia, and how to participate in Wikipedia
The Community Portal is the central place to find out what's happening on Wikipedia. Learn what tasks need to be done, what groups can be joined, and get of post news about recent events of current activities.