■Alps, for fine control of the touchpad options
■HP hotkey support, which is usually what makes the Fn+F? hotkeys work (for things like volume, brightness, WiFi on/off, etc)
■Probably HP Power Manager, these extra power management programs are usually used to give you additional options for controlling your battery, like setting a min/max charge limit to help preserve battery longevity.
I don't recognize the rest. Try going to your laptop's support website, and look at all the drivers and software available for it. That should give you a description for what each of these do.