Give Silent Auction Pro a look. Over 200 reviews and a 5 star rating on Capterra. Excellent reviews, great service and product.

There are a few out there, like BidPal and others, but I've had the best work with Auction Harmony

ClickBid offers better pricing and full support. Way better deal and great experience using it!

Take a look at Accelevents. It's easily the cheapest on this list at only $99 per event plus $1 per bidder (bidder NOT per bid). The best part is the instant outbid text-messages that let your donors quickly subtmit a new bid creating bidding wars and driving up your proceeds.

Silent Auction Pro has all the features of Greater Giving and Bid Pal for a much better price. The support is fantastic and the software is very easy to use. Their website is: www.silentauctionpro.com. They have great reviews on their Facebook page .

Greatergiving is the best software to choose.