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Open Source Nonprofit Software (2026)
Last updated: February 2026
5 software options
Sponsored
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Enhance employee management with the only all-in-one app
Basic - from $29/month (billed annually) or $35/month (billed monthly) Advanced - from $49/month (billed annually) or $59/month (billed monthly) Expert - from $99/month (billed annually) or $119/month (billed monthly)
Read more about Connecteam
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Fundraising tools for groups, teams, companies & nonprofits
Givebutter offers a completely free, 0% platform fee model that is powered by optional Tips. You can turn off Tips with the flip of a switch on any campaign, and if you do, a Platform Fee of 1-5% will apply based on features used. Payment processing fees are always 2.9% + $0.30, but over 95% of donors on Givebutter cover these fees. That's all! We believe in 100% transparency, especially when it comes to fees. You can find all of this information and common FAQs at givebutter.com/pricing
Read more about Givebutter
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Open-source AMS for NGOs and the association's market
*No long-term contracts. No per User pricing. No per Admin pricing. No additional Processing Fees. Free open source software code is on GitHub. Unlimited contacts, supports large organizations 15,000+ members. Tendenci is the strongest and most secure web-based software platform for NPO’s globally. *Monthly hosting charges are based on the amount of processing power you need to efficiently manage your membership. This is a monthly charge with no long-term contracts. *YOUR website! That is the power of Open Source. *There is a one-time development charge to set up your Tendenci site based on the graphical and customization requests from your organization. *Training is provided as part of the initial development charge. Use our free online support to find answers to your questions or contact our Helpdesk for hourly paid support and development. *Demo the software now for free!
Read more about Tendenci
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Fundraising management software for non-profits
Pricing scales on number of records and level of functionality needed.
Read more about Blackbaud eTapestry
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Open source CRM for nonprofit and civic sector
the basic plan is $10, the standard is $25, and the pro plan is $50 a month, with each one sequentially suited for larger organizations.
Read more about CiviCRM