BrowserChooser 0.2. is a Java-based free-ware tool and was designed to integrate your multi-browser environment. Nevertheless it can handle almost every application or even a single file almost like a real dock-application e.g. YZDock!
wmpower is a Window Maker dock application for Linux allowing the user to see (and set) the power management status of his laptop. Written in C, works with both APM and ACPI enabled kernels. It also interfaces directly to Toshiba hardware.