All-in-One Sidebar (AiOS) is a sidebar control, inspired by Opera . Click on the left edge of your browser window to open the sidebar and get easy access to all your panels.
- - All-in-One Sidebar is the most popular Windows, Mac & Linux alternative to OmniSidebar.
- - All-in-One Sidebar is the most popular free alternative to OmniSidebar.
The All-in-One Sidebar is not compatible with Firefox 57 and later. The development of this extension has been discontinued. The extension still works on XUL-based Firefox forks like Waterfox and Pale Moon
The Good 'ol Sidebar (TGS) is a sidebar control, fork of All-in-One Sidebar .
- - The Good 'ol Sidebar is the most popular Open Source alternative to OmniSidebar.
Slim vertical button to toggle Firefox's (57+) sidebar on/off, on the left of browser. Firefox has native sidebar but no native switch to be touched on the edge of browser. This userChrome script provides experience like All-in-One Sidebar.
Sidebar Switch Features