JBidwatcher - JBidwatcher is a free eBay tool that's easy to use, multiplatform, and allows you to snipe, bid, and track auctions.
uBuyFirst - Advanced eBay buying software finds newly listed "Buy-It-Now" items first!
LazyPerks - Keep notified in real time on eBay newly listed BUY-IT-NOW and FIXED PRICE deals.
Bid-O-Matic - Bid-O-Matic or Biet-O-Matic (BOM) is an Open-Source desktop tool that allows for observing auctions...
Auction Bidding Sniper for eBay - Play your cards close to your vest, and your eBay bids even closer by doing your own eBay Auction sniping.
TurboSnipe - - What is TurboSnipe eBay Auction Sniper?