Alternatives to Sidewise Tree Style Tabs for all platforms with any license



Web / Online


  • Session Manager icon

    Session Manager

    Session Manager saves and restores the state of all windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

    Free Mac Windows Linux Firefox

  • Tabs Outliner icon

    Tabs Outliner

    Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works. It allow organizing windows and tabs In hierarchies, annotate and comment them, close any tab or window for later in place, then reopen...

    Freemium Mac Windows Linux Chrome

  • Tab Mix Plus icon

    Tab Mix Plus

    Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured...

    Free Mac Windows Linux Firefox

  • Vertical Tabs icon

    Vertical Tabs

    This Firefox add-on arranges tabs in a vertical rather than horizontal fashion. It is heavily inspired by and borrows ideas from the excellent Tree Style Tab add-on. Note:This add-on is intentionally very minimalistic. It may...

    Open Source Mac Windows Linux Firefox

    No features added Add a feature
  • Super Tab Mode icon

    Super Tab Mode

    Super Tab Mode was a firefox enhancement tool which mainly focused on tab browsing capabilities. It can also block web content, hide firefox window and move firefox hard disk cache position.

    Free Mac Windows Linux Firefox

    No features added Add a feature
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Sidewise Tree Style Tabs Comments

A first real competitor to my Tabs Outliner.

Comment by omnray
about Sidewise Tree Style Tabs Aug 2012

And it has serious guts! How many?

It's Over Nine THOUSAAAND!!!!!

As author say on donation page:

"2+ years and 1500+ man-hours later, Sidewise was born. Weighing in at ~9000 lines of hand-crafted code, Sidewise is one of the most complex Chrome extensions ever created. Even so, great care was taken to keep it lightweight and resource-friendly."

Really know what it is all about, all this "1500+" and "~9000"... so my greetings with release.

Message to author:
Seems you already borrow some concepts from Tabs Outliner and plan to borrow a little more, (as i see from discussions in you customer support threads), my advise - don't be very fanatical with this, or you will lost you distinction. Have the courage to walk you own way. Nobody needs a clone. For example this you non adherent to Chrome tab strip tabs ordering (which as I understand from you support threads you plan to abandon in favor of Tabs Outliner way of dealing with tabs) have real benefits, and in past I really seriously thought about same approach.

Anyway, welcome to the Arena! ; )