Can you see a list of all open tabs in Safari? I often have a good 150 to 200 tabs open in Safari at all times because this is where I like to keep all my current work.
Obviously, all open tabs are never displayed at the same time when there are so many... 

I am wondering if a list of all currently open tabs is available in Safari.
Here is an AppleScript that will get the name of all Tabs in all Safari windows and show them in an unsaved TextEdit document.

You can save this as a plain script and access it from the Script menu on the Menu bar if you enable it in Script Editor's Preferences.  Or as an App and it can be placed on the Dock.

tell application "Safari"
    set windowCount to number of windows
    set docText to ""
    repeat with x from 1 to windowCount
        set tabcount to number of tabs in window x
        repeat with y from 1 to tabcount
            set tabName to name of tab y of window x
            set docText to docText &amp; tabName &amp; linefeed as string
        end repeat
    end repeat
end tell
tell application "TextEdit"
    activate
    make new document
    set the text of the front document to docText
end tell


The above source code was modified from Generate a List of Open Safari Tabs with AppleScript.