Harness Reviews & Product Details

Givebutter is the easiest-to-use, all-in-one fundraising and CRM platform for nonprofits. It empowers millions of changemakers to raise more, pay less, and give better.

Zeffy (formerly Simplyk) is the only 100% free fundraising platform for nonprofits. Trusted by over 10,000 nonprofit organizations across North America, Zeffy is the all-in-one free fundraising solution. Zeffy charges zero fees to nonprofits to fundraise on their platform - meaning if a nonprofit raises $1,000 they will actually get $1,000. No hidden fees, no platform fees, no transaction or credit card fees. Zero fees, period. Online donations. Event ticketing. Peer-to-peer fundraising. Memberships. Donor management, Raffles & lotteries and more!

Smart, scalable, and predictive, Raiser’s Edge NXT is ready to help you grow your constituent base and expand your revenue streams, so you can increase your impact like never before.

A group fundraising platform designed to support educational program leaders in their goal to positively impact the lives of the students they serve.

iWave is the industry’s leading donor intelligence platform, giving nonprofits a complete 360° view of prospects and donors. With unmatched wealth, philanthropic, biographic and charitable giving data, iWave turns information into actionable fundraising insight—helping teams prioritize prospects, save time, and drive confident, data-backed giving strategies.