GiveSmart - GiveSmart offers mobile bidding and event management for charity fundraisers .
Silent Auction Pro - Simple * Affordable * Powerful --- Silent Auction Pro is a multi-user, internet-based fundraising software system providing complete donor and auction management solution for charitable organizations.
HiBid - Auction
OneCause - Fundraising auction & event management software
liveauctiongroup - Bid in live auctions online with iCollector.com. Collectible auctions, antique auctions, art auctions, coin auctions and estate sale auctions, we offer a live online bidding interface alternative to the auction floor.
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.