MozBackup is a simple utility for creating backups of Mozilla Firefox, Mozilla Thunderbird, Mozilla Sunbird, Flock, SeaMonkey, Mozilla Suite, Spicebird, Songbird and Netscape profiles.Discontinued
The program is no longer updated. Last version, 1.5.2 Beta 1, released on May 6th, 2012, can be still downloaded from the official website.
Hekasoft Backup & Restore is an all-in-one solution to manage your browser data and settings. Backup your favorite browser’s settings in a single file that you can store on external drive or CD-ROM and use it to restore the profile.This app doesn't have any features at the moment.
Siphon will manage and sync your Firefox Add-ons between multiple computers. It will also save your Add-on list if you ever need to reinstall Firefox.This app doesn't have any features at the moment.Discontinued
Last updated Aug 29, 2011. See https://addons.mozilla.org/en-US/firefox/addon/siphon-add-on-synchronizer/