When comparing Tabs Outliner vs Cluster, the Slant community recommends Cluster for most people. In the question“What are the best tab managers for Chrome?” Cluster is ranked 1st while Tabs Outliner is ranked 8th. The most important reason people chose Cluster is:
Ability to move tabs to different places or windows using drag and drop.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Tabs Outliner is great at organization of tabs
Even though the experience is not streamlined, it's still worth checking out.
Pro Add notes and labels to any groups, windows and labels
Lots of organization functionality and freedom. You can use emojis as group icons too. You can also duplicate anything.
Pro Reliable, trustworthy and safe
Has barely any problems (on Windows and Linux), help from the developer easy to get.
Pro Powerful - interface and learning curve can seem like a lot but they're not and serve you well
Pro Drag & drop
Ability to move tabs to different places or windows using drag and drop.
Pro Clean user interface
Has a clean interface with a light and dark mode.
Pro Multiple sorting options
You can sort the tabs by ascending, descending, and domain.
Pro Exporting
Lets you export and import windows as .CSV and .JSON files.
Pro Searching
Ability to search through tabs.
Pro Window merge
You can merge multiple windows together into one window.
Pro Removes duplicates
Has an option to automatically remove duplicate tabs.
Pro Suspend tabs
Ability to suspend the selected tab(s).
Pro Ability to toggle a two-column view to efficiently use screen real estate and see all your tabs in a glance
Pro Ability to move one or more tabs between windows at a time
Cons
Con Complicated
Clumsy and complicated interface.
Con Can't search old trees (files) without opening them individually
Con Unstable and greedy
As tree becomes complex, sometimes all data is missing together with a backup file, if any. Shortcut keys available in paid version only.
Con Need to start a new 'tree' (file) when it becomes too big for performance
Thankfully it's gonna take a long time before you need to start over (many months even for those using a very old laptop and browsing throughout the day) and you can bring content from your old trees into new ones (old trees can be stores locally or in Google Drive btw).
Con Syncing requires license
To enable syncing between browsers, you have to purchase a $9.80 license.
Con Can't edit the title of the bookmarks
You can't edit the title of the bookmarks when saved.
Con It doesn't save tabs automatically
Con This extension is outdated
Last update was in 2021. It doesn't work since chrome 92+.