Fuse4X is a modern replacement for the old MacFUSE implementation of Fuse for Mac OS.
Managing windows size and position in OSX
Observes filesystem changes using the same underlying API as Spotlight Provides a graphical representation of the file activity
GrandPerspective is a small utility application for Mac OS X that graphically shows the disk usage within a file system. It can help you to manage your disk, as you can easily spot which files and folders take up the most space. It uses a so called tree map for visualisation. Each file is shown as a rectangle with an area proportional to the file's size. Files in the same folder appear together, but their placement is otherwise arbitrary.
It allows your computer to determine its context through gathering evidence from your environment (evidence sources), using flexible rule-based fuzzy matching to make an educated guess (rules), and then performing arbitrary actions upon changing context (
Perian is a free plugin that enables QuickTime to play almost every popular video format.
