TiddlyHoster provides a free shared hosting service for tiddlers built on TiddlyWeb. It was built prior to and was inspiration for TiddlySpace. It is similarly capable but is more nuts and bolts oriented with greater exposure of the guts of TiddlyWeb.

See: http://hoster.peermore.com/, https://github.com/cdent/tiddlyhoster and http://pypi.python.org/pypi/tiddlywebplugins.hoster