Open Multiple Locations is a Firefox add-on, allow users to enter a list of URLs that will be opened in separate tabs.
It adds a "File" menu option to open multiple locations at a time. Instead of the list its also possible to paste a text containing URLs - in that case, the browser will try to automatically extract addresses from the content.

Requirements:
* Firefox
* SeaMonkey

The license of this software is Free, you can free download and free use this browser plug-ins software.