EasyTimeline has a [http://meta.wikimedia.org/wiki/EasyTimeline home-page] over at Wikipedia.  BiggestWiki notes the example at WikiPedia:Timeline_of_computing.

''What is EasyTimeline?''

According to its home-page, it is "a wiki way to compose graphical time charts" (Think coloured, stacked bar-charts.) Helpful for an encyclopaedia, not appropriate for most of Meatball.

CategoryWikiTechnology