A quick note to announce that, after quite a delay since the last update, I have finally found time to go through a bunch of bookmarks to add a bunch of previously missing or new tools to my data visualisation resources collection. There are now 327 328 items in this directory of resources that will help you with your data visualisation tasks.
If you know of any further options and/or any existing listed items that are now obsolete or have expired links, please let me know.