Save your FireFox Sessions with Session Manager 0.5.4
Save your Firefox sessions with Session Manager whenever you want or automatically at the Startup and after crashes.
Save your browsing sessions so that you can get back to work straight away when you come online saving you from the routine of opening all the tabs and windows, it has the ability to reopen accidentally closed windows and tabs,It's a pretty useful tool for those who do a lot of research work on the web.
If you use a dual boot system you can make Firefox to save your sessions in a common location which is readable by both the operating systems, that way you can get back to work right away which ever operating system you are on.
Get it here:Session Manager 0.5.4
Edit: get the latest version here.