RallyUp is the all-in-one online fundraising platform for nonprofits, schools, churches, and 501(c)(3) organizations — the only software offering Full Stack Fundraising with 12+ stackable components in a single campaign. Run online and silent auctions, live auctions with mobile bidding, raffles, sweepstakes, peer-to-peer fundraising, A-Thons, crowdfunding, ticketing, online stores, livestreaming, and complete galas (Fund-a-Need, Paddle Raise+, Live Display). Our embedded AI Fundraising Content Generator drafts item descriptions, campaigns, and donor emails in one click — no prompts needed. Free plan available with no platform fee. Free Done-for-You campaign building included. 55,000+ nonprofits. $1 billion+ raised.