GMail Sidebar Toggle GMail Sidebar Toggle adds a "< < <" control above "Compose Mail" so you can selectively hide the sidebar. To build, run `cat gmail-sidebar-toggle.js jquery-1.4.2.min.js jquery.cookie.js > gmail-sidebar-toggle.user.js`.
dharmabruce/Gmail-Sidebar-Toggle
GMail Sidebar Toggle adds a "< < <" control above "Compose Mail" so you can selectively hide the sidebar.