Celestron International is a manufacturer of telescopes, binoculars, and other optical equipments.
Meade Instruments Corporation is a manufacturer of astronomical telescopes, CCD cameras, binoculars, telescope accessories and astronomical software.
SBIG Astronomical Instruments is a manufacturer of cooled CCD Cameras and image processing software.
Deep sky map freewares
Celestia: 100,000 stars, large catalog
Philips: Toucam and VestaPro