5 public bookmarks
https://workflowy.com/
web-based list-making tool
http://www.producteev.com/
http://www.wunderlist.com/
cloud-based to-do list with client apps for multiple platforms
http://teuxdeux.com/
http://www.pdascent.com/Site/iNeedStuff.html
Looks like a good shopping-list candidate
mymarks