WinningBidder.com offers low cost online auction software tailored for fundraising purposes. Our user-friendly software ensures that event organizers can initiate an auction within minutes, while maintaining a rich array of features. Bidders can take advantage of features such as maximum bidding, outbid alerts, and dynamic "popcorn" bidding.
Rather than requiring bidders to download an app, our approach involves sharing a personalized auction URL with supporters. This enables them to explore listed items and place bids using any device. The system operates at remarkable speed, making it particularly suitable for events held in areas with unreliable connectivity, such as charity golf outings.
WinningBidder.com imposes no restrictions on the quantity of items, bidders, or events, making WinningBidder.com the ideal solution for all your online auction requirements throughout the year.
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Since 2012, AuctionMethod has provided white-label auction software and custom auction software development for the auction industry. Based in Massachusetts, serving the U.S., Canada, Australia, and New Zealand. AuctionMethod serves auctioneers, estate liquidators, farm and heavy equipment, industrial, salvage and recycling, non-profit, corporations, retail liquidators, auto/car dealers, real estate, arts and collectibles, and single-use auction businesses.
AuctionMethod is the winner of the SourceForge Spring 2026 Top Performer Award in Auction Software, and is rated 4.9/5 on Capterra and SourceForge. AuctionMethod's model includes no commissions, no per-lot fees, no platform skim, and no contract, so clients keep the revenue from every sale instead of splitting it with the platform. Clients keep 100% ownership of their bidder lists, seller lists, item data, images, and transaction history on a fully white-label auction website.
The platform covers catalog and lot management, consignor setup, bidder registration, invoicing, payment processing, tax handling, and reporting in one system. Auction event types include timed online auctions, simulcast auctions, blind timed auctions, catalog-only, fixed-price, and perpetual events. AuctionMethod includes a mobile app for iOS and Android, and reports a 94% renewal rate. For operations whose workflows fall outside the standard product, AuctionMethod also builds custom auction software development solutions at a fixed rate. AuctionMethod's pricing starts at $100/mo with a $250 one-time setup charge. AuctionMethod offers a 30-day free trial, no credit card required.
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Bonterra Network for Good
Bonterra Network for Good is an AI-powered fundraising and donor management platform built specifically for small and midsize nonprofits. The platform brings donor data, fundraising campaigns, donation pages, events, auctions, volunteer tracking, email marketing, SMS messaging, and peer-to-peer fundraising into one system. Network for Good helps nonprofits stay organized by tracking gifts, interactions, volunteer activity, supporter relationships, and campaign performance in a simple donor database. Its donation pages are mobile-friendly and optimized to convert supporters while automatically feeding donor information back into the platform. Bonterra Que provides built-in AI fundraising guidance that helps teams create emails, forms, SMS messages, donor segments, and stewardship actions using fundraising best practices. The platform also includes 90,000+ proven fundraising templates, drag-and-drop email tools, unlimited SMS messaging, and campaign playbooks. Expert coaching, live training webinars, and personalized 1:1 fundraising consulting help small teams build confidence and improve results. Network for Good is designed to reduce manual work while helping nonprofits act on intelligent recommendations and timely donor follow-up. By combining fundraising software, AI guidance, donor management, coaching, communications, events, auctions, and peer-to-peer tools, Bonterra Network for Good helps nonprofits raise more and grow with clarity.
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Silent Auction Pro
Complete event management software for charitable fundraising. Silent Auction Pro supports Virtual, In-Person, and Hybrid events. Quickly and easily manage donors and donations, sell tickets, manage seating assignments, bundle items to create an awesome online auction catalog then go live and let the bidding begin. We also support Live auctions, Fund-a-Need / Raise the Paddle, Text-2-Donate, Giving Campaigns. Stuck? Don't panic - we have World Class Support and love talking with customers. We are the #1 rated and reviewed fundraising solution with over 600 reviews and a 4.8 star rating.
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