PROGRAMHAPPY  Developer, I have a HUGE feature request that I think will be quite helpful to many users. There is (was) an add-on called "Twicetab" (see "Twicetab 1.3.1.1" here at macupdate), but it doesn't work on Safari 4. One of the optional features of TwiceTab that I desperately miss is the ability to make a URL (or domain name) in my clipboard open in a new tab. For instance, if I copy the text "http://www.google.com" or "google.com" and then double-click on an empty space in the Bookmarks Bar, it will open the Google home page in that new tab. However, if there is no URL or domain name at the top of my clipboard, the double-click action in the Bookmarks Bar will perform the user's default preference (home page, blank window, etc.) for a new tab. Whadaya say, guys? Hook us up!

Thanks in advance!   
(Version 0.6.5)

PROGRAMHAPPY  It does NOT work with Safari 4.03 and SIMBL 0.9.2b.  
(Version 0.6.5)

TWISTED  Finally a simple tab manager for Safari without bloated features :)  
(Version 0.6.5)

DROOPYSIGNAL  It would be nice to have the option to open tab sets or none with a key modifier at start up.  
(Version 0.6.5)

MACSOLU  Just installed this update, along with CosmoPod and TabExposé -- now I cannot use my mouseball/wheel to scroll up or down web pages while viewing them in Safari. I have yet to troubleshoot, but at least one of these three plug-ins is the culprit.  
(Version 0.6.5)

FUHAYER  could not find SIMBL folder to move this patch. i use snow 10A432 :S  
(Version 0.6.5)

EL COMANDANTE  SafariTabs 0.64 doesn't works anymore/yet with new version 4.0.3 (5531.9) of Safari  
(Version 0.6.4)

EL COMANDANTE  SafariTabs 0.6.3 don't works anymore with the last release non beta of safari 4 (5530.17)  
(Version 0.6.3)

NEIL_M  @Chrisza

Read the requirements above;

Mac OS X 10.4 or later, SIMBL, Safari 4

Have you installed SIMBL?

In the time it took you to write your comment, you could have searched for it and installed it.

SIMBL - http://www.macupdate.com/info.php/id/18351/simbl  
(Version 0.6.3)

CHRISZA  Err, it says to install I must drag bundle to a SIMBL/Plugins directory.

No such directory on my new powerbook 10.5.6  
(Version 0.6.3)