NaviTab - Sidebar Tab Arc Management is a free Chrome add-on developed by sbirds. It falls under the Browsers category and specifically the Add-ons & Tools subcategory. This program allows users to easily manage and display their tabs vertically, providing a more efficient way to navigate through their browser tabs.

One of the main features of NaviTab is the ability to automatically organize tabs into a tree view. This allows users to quickly and easily manage their workflow by grouping related tabs together. Additionally, users can close all tabs below any level with just one click, making it convenient for decluttering their browser.

Another useful feature of NaviTab is the ability to switch to a tab by simply clicking on it. This eliminates the need to search through a long list of tabs, saving time and improving productivity.

It's worth noting that the order of tabs that were already opened before installing NaviTab may be affected. However, the vertical bar provided by NaviTab allows users to see all the titles of their opened tabs, making it easier to navigate and locate specific tabs.

Overall, NaviTab - Sidebar Tab Arc Management is a useful add-on for Chrome users who want to efficiently manage their tabs and improve their browsing workflow.