Best-in-class nonprofit auction software, built to help you raise more
Run silent auctions, live auctions, and mobile bidding experiences that keep supporters engaged from the first bid to final checkout. Bonterra’s nonprofit auction software – powered by OneCause® – gives your team the tools to manage items, engage bidders, and maximize revenue.
Join more than 14,000 nonprofits using our auction software to fundraise fearlessly.
96,000+
fundraisers hosted with OneCause
Learn more about executing auctions with OneCause
Build excitement from the first bid
Create a seamless auction experience that makes it easy for supporters to browse items, place bids, and stay engaged throughout your event.
Keep bidders engaged in real time
Outbid alerts, max bids, favorites, and Buy Now options make it easy for guests to stay involved whether they’re in the room or bidding from home.
Run your auction with confidence
Manage items, bidders, payments, and results from one connected platform, giving your team the visibility and control to keep your event moving smoothly.
Industry-leading nonprofit auction software features
Everything you need to plan, manage, and optimize high-performing auctions in one powerful platform.
Host inclusive, flexible auctions that increase participation and revenue.
Unlimited in-person, hybrid, and virtual auctions
Live and silent auction support
Integrated ticketing and registration
Scoreboard and slideshows
SMS guest messaging
Create an intuitive and exciting mobile bidding experience that keeps donors engaged.
Intuitive mobile bidding experiences
Real-time outbid and item won notifications
Custom starting bids, bid increments, and max bids
Simplified checkout and item pickup
Use built-in AI tools to prepare smarter and raise more.
AI-generated item descriptions
Personalized item recommendations
Real-time item sorting based on bidding activit
The right OneCause package for every organization
Whether you’re managing a signature event, growing a portfolio of fundraising experiences, or supporting chapters across the country, OneCause offers packages designed to meet your organization’s needs.
Professional
Manage ticketing, sponsorships, registration, auctions, donations, checkout, and more in one platform. Ideal for galas, golf outings, luncheons, and other fundraising events.
Enterprise
Build on everything in Professional with tools for organizations managing multiple events and more advanced fundraising strategies, including Event Ambassador Fundraising, event series, and sponsorship invoicing.
National
Give national organizations the tools to support affiliates and multiple fundraisers while maintaining centralized oversight, with organization hierarchy, event templates, multi-affiliate reporting, and API support.
We used OneCause for the first time this year and tripled our revenue. It was easy to learn and the support was really fabulous. We were able to be more efficient with our time and manage all the details of our auction while attendees enjoyed bidding!
Chris Aherin
Down Syndrome Association of St. Louis
FAQs about nonprofit auction software
Nonprofit auction software helps organizations plan, manage, and run fundraising auctions in one place. It can support auction item management, mobile bidding, guest registration, payments, checkout, and reporting.
Silent auction software lets guests browse items and place bids from their phones instead of using paper bid sheets. With OneCause, supporters can place bids, set a Max Bid, use Buy Now, and receive notifications when they’ve been outbid.
Look for features that make auctions easier to manage and easier for supporters to participate in, including mobile bidding, item management, registration, payment processing, outbid alerts, reporting, and checkout.
Yes. OneCause supports live, silent, and online auctions, including in-person, virtual, and hybrid fundraising events. Supporters can browse items, place bids, and stay engaged from wherever they are.
Yes. OneCause is built to support the full fundraising event experience, from registration and ticketing to auctions, donations, sponsorships, payments, and checkout. That means your team can manage more of the event in one place while giving supporters a seamless experience from start to finish.
Insights and resources for nonprofit auction events
Most fundraisers don’t fall apart on event night, but weeks earlier. When the tools you’re using to plan are scattered across spreadsheets, inboxes, and platforms, you’re stuck reconciling data instead of building relationships, setting the budget, and outlining the guest list. This template walks through the eight decisions that determine whether an event meets its […]