All Uncyclopedias (edit)
10 000+:
English (en)
1 000+:
Suomen kieli (fi),
Polski (pl),
Deutsch (de),
Español (es),
中文 (zh-tw),
Français (fr),
100+:
עברית (he),
Русский (ru),
Português (pt),
Italiano (it),
日本語 (ja),
Ελληνικά (el),
Norsk (no),
Nederlands (nl),
Svenska (sv),
Spademanns Leksikon (da),
Magyar (hu),
Czech (cs)
0+:
Català (ca),
中文 (zh),
فارسی (fa),
Latina (la),
Malagasy (mg),
لمحتويات تحت (ar),
Türkçe (tr)
Sister projects:
UnNews,
UnBooks,
UnDictionary,
UnSource,
UnSpecies,
Unquotable,
Uncycloversity,
Babel pages,
UnMeta,
Uncyclomedia Commons,
Uncyclopædia (babel),
The Wilde Project
Please add if you know more.