Raise more and reach more donors with OneCause Fundraising Software. Day in, and day out, we put your cause at the center of everything we do. Our easy-to-use fundraising solutions and experience gleaned from 20,000+ fundraisers, we give our clients the freedom to focus on what truly matters: advancing their organization’s mission. Located in the technology hub of Indianapolis, OneCause has been recognized on the Inc. 500 list of Fastest Growing Companies and has received a Techpoint MIRA award for Mobile Technology Excellence & Innovation.