Build your nonprofit community here.

Fundraising software for everyday nonprofit giving, dedicated campaigns, and community-based fundraising.

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$3+ Billion Raised

76,000+ Nonprofits

The number one fundraising software for community giving.

Chosen and trusted by the country's largest campaigns and more than 76,000 nonprofits.

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“It's an all-inclusive platform”

“I've been using Mightycause since around 2018, both as an organization administrator and as a giving day host, and in both roles the experience has been consistently smooth.”

—Courtney Patel
Sr. Director of Community Impact
Give to the Max Day

Build campaigns perfectly tailored to the way you fundraise.

A checkout screen in editor view showing edit buttons for configuring donation frequency, creating your own suggested amounts, adding custom questions, and generating embed codes.A side-by-side comparison of an individual fundraiser page with a story and an activity feed on the left, and a collaborative team page with a leaderboard on the right.A live giving day homepage with the event's logo prominently featured alongside a large 'dollars raised' metric and a progress bar, a countdown clock, and a banner image, built with the Mightycause web builder available to giving event hosts.Grade levels of a school participating in a giving leaderboard, with examples of class programs as individual fundraisers.A page designed for corporate philanthropy giving, with the name of a company, an amount raised, and a grid of causes that the company has highlighted for employees to give to.

An all-in-one nonprofit fundraising platform free for every nonprofit.

Fundraising tools that help you manage every donation, donor, and campaign in one place.

Grow your fundraising.

Accept donations and launch fundraising campaigns.

Accept one-time and recurring donations with secure, customizable donation forms that embed seamlessly on your website.

Learn about donation forms

Turn supporters into fundraiser coordinators with unlimited fundraising pages for peer-to-peer campaigns, team fundraising, events, and projects that inspire more giving.

Learn about peer-to-peer campaigns

“The platform is flexible, reliable, and simple to use”

“The platform is flexible, reliable, and simple to use”

“and they're always adding new features that make giving more engaging.”

Vacey C., Director of Communications — Sacramento Region Community Foundation
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Build donor relationships.

Turn first-time donors into lifelong supporters.

Track, tag, and message every supporter in one built-in donor CRM. Measure your impact, and monitor donations, donor retention, and campaign performance in real time with reporting and analytics.

Learn about donor management

Integrate with Mailchimp, Google Analytics, and 9,000+ apps through Zapier to streamline your fundraising and keep your data in sync.

Learn about integrations

Over 150 Giving Days (and counting)

The leading giving day platform.

From local campaigns to statewide events, more giving days run on Mightycause than any other platform.

“The support we receive from our project manager as well as the rest of the Mightycause team is wonderful!”

“We consider them an extension of our team and look forward to working with them for many years to come.”

Jane B-W., Executive Director — Give Local Piedmont

We wish we could give our support team some kind of award...Oh wait.

Three of our most recent G2 badges, awarded for the 'Users Love Us' milestone, and the Fall 2026 'Leader' and 'Fastest Implementation' awards.

“Amazing, outstanding - fast response with my questions, polite, respectful, accurate. There aren't enough words to describe how well Mightycause worked to make Big Day of Giving a success for me.”

“As a ‘newbie’ to fundraising, the answer received was helpful and made me feel that the organization truly has my back!”

“Excellent customer service..... Never disparaged me for asking questions and gave informative and professional detailed email responses in very quick order.”

(G2 is the world's largest independent software review platform, powered by verified users.)

Data migration made easy.

Switch to Mightycause with tools designed to simplify your transition.

“Our organization faced an unexpected transition in giving event platforms and carefully evaluated several options to meet our needs. Transitions like this can bring uncertainty for hosts, donors, and participating nonprofits. However, we can say with confidence that our experience with Mightycause was smooth and successful. Our project manager was supportive, knowledgeable, and highly responsive—playing a key role in making the entire process stress-free.”

Karly B., Development Director — Go Big Give