Tab Manager by Workona

Infinity New Tab

Infinity New Tab allows you to customize your New Tab page

Tab Groups Extension

Automatically group tabs, save tabs/groups, and provide shortcuts for tabs/groups.

Tabs Outliner

The Next Generation Session Manager; A Really Working Too Many Open Tabs Solution; And Your Browsing Notebook.

Empty New Tab Page

thakis@chromium.org

With this extension, new tabs display a blank page instead of the usual new tab page with thumbnails.

Infinity New Tab (Pro)

Infinity New Tab Pro allows you to customize your New Tab page

Blank New Tab Page

Jarek Foksa

Override the default new tab page with blank page.

The Marvellous Suspender

Make your computer run smoothly by suspending the tabs you aren't using