DVD Players

• big comparo
• DScaler
• FFDShow
• ReClock
• AnyDVD — fixes region coding, macrovision, etc for all PC-based DVD players

Portals (or semi-portals)

• MediaPortal (open source)
• Windows MCE
• Meedio
• ZoomPlayer
• BSPlayer
• OpenHTPC

Remotes

• Promixis Girder
• ATI Remote Wonder
• StreamZap
• Snapstream Firefly
• WinLIRC + AutoHotKey
• MS Media Center Remote
• LOTS of different hardware
• hardware receivers
  • Ira, Tira
  • USB-Uirt

Other

• Powerstrip