You could have downloaded SafariTabs 1.0 for Mac from our application library for free. The application is categorized as Internet & Network Tools. The most popular version of the program is 0.7. Commonly, this application's installer has the following filename: SafariTabs-0.7.3.dmg. The actual developer of this free Mac application is Stuart Connolly.
From the developer:
SafariTabs is a SIMBL (Smart InputManager Bundle Loader) plugin for Apple's Safari web browser, with the aim of extending the browser's current tab features.
SafariTabs was originally designed to prevent me from accidentally closing a window in Safari when I meant to click the back button and losing the 10 or so tabs that were open at the time.
You may want to check out more Mac applications, such as Delete Flash Cookies, Subio or RSS Checker, which might be related to SafariTabs.