The best alternatives to Site2Share are Blinkenlights, SALT, and Tabs Folders. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Site2Share?
Agree.com— Free e-signature for everyone with invoicing and payments!
Curabase makes it easy for teams or individuals to share bookmarks. We have a simple web application where you curate links into groups, and groups into pages. Share them publicly or privately. Free to try, no email or signup required.