Kevin Jones

Provides list-style menu to do closing, loading, unloading, moving of single/multiple tabs. Search tab titles/urls, search content in all loaded tabs, visited tabs history, find duplicate tabs. (Window-centric except moves tabs across windows)

Keep manual or automatic backups of all tabs*, and restore on demand. Can also export backup file to disk to restore later, or to another profile, even on another computer or OS, as long as it has Tabs Backup & Restore installed. *(See description)

Ported version from the Chrome extension Quick Tabs, with a few small tweaks. Their description reads: A keyboard centric most recently used (MRU) ordered tab list plugin with search and switch functionality inspired by IntelliJ IDEA

Provides support for addons who want to support Containers features, but do not wish to annoy users not interested in such features. Workaround for bug 1386673. __WARNING__ see bug 1663547 caveat below (applies to all Containers support addons.)