NationBuilder serves as a comprehensive community management platform for nonprofits, advocacy organizations, and mission-driven groups to organize supporters and drive collective action. It combines CRM functionality with website building, email/SMS outreach, event management, and fundraising tools specifically designed for mobilizing communities around causes. Community builders use it to create supporter ladders of engagement, manage volunteer databases, coordinate grassroots campaigns, and turn passive supporters into active advocates through integrated communication and action tools.
Mothers Out Front
Carbon Neutral Indiana
FairVoteFounded
2009
Team Size
100
3%
Funding
Series B
$26.9M total
Monthly Traffic
927,700
20%
Nonprofit Supporter Community Management
Build and manage databases of supporters, volunteers, and donors with integrated CRM tools, custom fields, and engagement tracking to nurture relationships and increase participation
Advocacy Campaign Mobilization
Launch petition drives, coordinate grassroots campaigns, and mobilize supporters to contact lawmakers through integrated action tools and communication features
Volunteer Coordination and Events
Organize community events, manage volunteer sign-ups, create walk sheets for canvassing, and coordinate local chapter activities with built-in event management tools
Mission-Driven Fundraising
Process donations, manage membership subscriptions, and run fundraising campaigns while maintaining donor relationships through personalized communications
Mobilization platform for nonprofit and advocacy communities to organize events, run campaigns, and engage members.
Nonprofit CRM and fundraising platform that helps mission-driven communities manage donors, volunteers, and events.
Advocacy platform for member associations to mobilize supporters around policy campaigns.
Event management and volunteer recruitment platform for nonprofits, advocacy orgs, and mission-driven communities.
Free nonprofit fundraising platform with donor management tools for community-led organizations and giving events

Free fundraising platform for nonprofit communities to collect donations, manage members, and host fundraising events