Pop Up Adsense
Pop-up Window Generator is a multi-platform compatible free online script generator to create a custom Pop-Up Window for your site.
More Info 
Developer: SpriteWorks
License: Freeware
Operating System: Unix/Linux/Windows
MouseOver Pop-Up Windows is multi-platform compatible.
Developer: RF
License: Freeware
Operating System: All
Animated pop up scripts are very popular with site owners.
Developer: scripts.tropicalpcsolutions.com
License: Freeware
Operating System: All
Pop-Up Ads javascript creates pop-up ads instantly using this tool.
Developer: searchbliss.com
License: Freeware
Operating System: All
This script will pop-up a description of the link.
Developer: javascriptsource.com
License: Freeware
Operating System: All
This auto centering window Javascript will open a window (DHTML) and keep that pop up window centered on the visitors page.
Developer: scripts.tropicalpcsolutions.com
License: Freeware
Operating System: All
This script opens a pop-up window exactly at any given time (set in Hours, Minutes and whether AM/PM) the users set.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script opens a pop-up that automatically hides itself behind the main window after a given amount of time that can be set.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script opens a pop-up window only after the main browser window is closed.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script opens up a pop-up that hides behind the main browser window.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script allows your visitors to open a pop-up window that automatically scrolls down from the top of the page to the bottom.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script opens a pop-up window when viewers hover their mouse ove ra link.
Developer: sivamdesign.com
License: Freeware
Operating System: All
With this script the pop-up window if is opened, it would close by itself if the main window that triggered the pop-up closes or the visitor goes to another page.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This is not strictly a pop-up script but it adds a link within a pop-up that when clicked closes the pop-up.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script opens a customized pop-up window that will move across the screen from top to bottom or left to right or diagonally across as instructed in the script.
Developer: sivamdesign.com
License: Freeware
Operating System: All
This script opens a pop-up window after a set amount of time that can be altered by the users to suit their needs.
Developer: sivamdesign.com
License: Freeware
Operating System: All
One Time Pop Up allows you to have a window pop up only on the first visit to a page.
Developer: dwfaq.com
License: Freeware
Operating System: Windows, Linux, Mac OS, BSD, Solaris
Functions to: 1) Open a pop-up window.
Developer: dreamincode.net
License: Freeware
Operating System: Windows, Linux, BSD, Solaris
With this script the pop-ups will only open once per day or as desired by the users.
Developer: sivamdesign.com
License: Freeware
Operating System: All
Pop-up java menu applet; framebusting ability: menus drop-down over frame edges without needing code in adjoining frames; distinguishing feature: hovermenu technology - menu persistently hovers at bottom left of screen.
Developer: http://www.imint.com/ipo...
License: Freeware
Operating System: Unix/Linux/Windows