Navigator Enhancer 1.3 for Mac is available as a free download on our application library. Navigator Enhancer for Mac lies within Internet & Network Tools, more precisely Browsers.
From the developer:
Navigator Enhancer is an application that works with Netscape Navigator 3.x and under by adding a handy new feature. When Netscape designed its first-generation browsers, it included a layer of directory buttons pointing to services that varied depending on where and how you obtained the browser.
You may want to check out more software for Mac, such as PDF Enhancer, Enhancer or MP Navigator EX, which might be similar to Navigator Enhancer.