There are subgroups actually. For really technical part, there is Tiddlywiki developer group, for documentation there is Tiddlywiki documentation group and recently there started a group dedicated to Tiddlywiki UI.
There are also tags people can use to classify posts. -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/cc93f564-fbed-48b2-afa5-42b185da43c4o%40googlegroups.com.