First seen in 2009, Tabs. This page records what the extension did, whether it is still available, and what to use instead.
What it was
Session Saver stored your open tabs as a named session so you could close Chrome and restore them later. The modern equivalents are Session Buddy and Tab Session Manager, which add automatic backups, search and export.
Succeeded by Session Buddy - Tab & Bookmark Manager
The earlier extension is gone, but its role is filled today by Session Buddy - Tab & Bookmark Manager, with 1M users and a 3.3 rating. See its statistics and history.
Current alternatives
The extensions the Chrome Web Store ranks highest for "session" today.
