Session Sync is described as 'Save sessions as bookmarks and access them across devices'. There are more than 10 alternatives to Session Sync for a variety of platforms, including Windows, Mac, Linux, Google Chrome and Firefox. The best alternative is OneTab, which is free. Other great apps like Session Sync are Tabs Outliner (Freemium), Session Buddy (Free), Tab Session Manager (Free, Open Source) and Tabli (Free, Open Source).
Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
Manage Your Browser Sessions View and save the state of all open browser tabs in the current or past browser sessions. Quickly restore your tabs and resume your web surfing after a browser or system crash.
A better way to work in Chrome and Firefox. Workona helps you get your tabs under control to increase productivity, reduce stress, and bring focus to your work. Manage all of your work in one place with workspaces
Use one browser with multiple active sessions per site. Log into multiple accounts on the same site simultaneously. No more need for secondary browsers, private sessions, let SessionBox handle these for you.
Manage your windows instead of tabs ? Real-time window and tab management ? Real-time sync with cloud ? Browser crash/restart resistance ? Pop-up and tab interface modes ? History of closed windows and tabs ? Activation and hot tabs shortcuts ? Drag-and-drop tabs