Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Indispensible Rated 5 out of 5 stars
Once in a while, this saves me from losing something I've spent quite a while writing only to lose the page it was on for whatever reason or if an AJAX form failed to submit.
I also use it deliberately now and then if I have to leave a page or restart Firefox or whatever.