nscache is a simple program to browse the Netscape cache directory with a GTK UI. It shows the contents of the browser cache in a three level hierarchy of files: protocols, servers and documents. nscache permits you to files to the cache, remove files or gather various information about specific files.
You can download it from the following link: https://packetstormsecurity.com/files/download/11610/nscache-0.2.tgz
Source: https://packetstormsecurity.com/files/11610/nscache-0.2.tgz.html