Guides 48 guides
Nonprofit Software Guides & Research
Clear, practical guides for nonprofit teams: IRS and state filings, and the software behind fundraising, donor records and day-to-day operations. Each guide links to the agency or vendor pages it is based on.
NPO Resources does not rank or endorse tools. We organize publicly available information so readers can make their own decisions.
- 01Source-basedGuides are built around provider pages and public documentation.
- 02Directory linkedArticles connect back to NPO Resources topic and tool pages.
- 03Neutral formatNo ratings, rankings, or endorsement-style labels.
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Compliance & Reporting
Oregon CT-12: Charity Annual Report, Due Date and Fees
Oct 23, 2026
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Compliance & Reporting
Form SI-100: California Nonprofit Statement of Information
Oct 23, 2026
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Compliance & Reporting
Ohio Charitable Registration: Who Files, Fees and Deadline
Oct 23, 2026
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Compliance & Reporting
New Jersey Charity Registration: Forms, Fees and Renewal
Oct 23, 2026
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Compliance & Reporting
North Carolina Charitable Solicitation License Requirements
Oct 23, 2026
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Nonprofit Accounting
Single Audit Requirements for Nonprofits ($1M Threshold)
Oct 4, 2026
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Compliance & Reporting
BCO-10: Pennsylvania Charity Registration and Renewal
Oct 1, 2026
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CHAR500
CHAR500: New York Charity Annual Filing, Due Dates and Fees
Sep 21, 2026
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RRF-1
Form RRF-1: California Charity Annual Registration Renewal
Sep 16, 2026
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AG990-IL
AG990-IL: Illinois Charity Annual Report and Audit Rules
Sep 16, 2026
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990-N
Form 990-N (e-Postcard): What to Have Ready Before You File
Sep 9, 2026
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AI
Claude for Nonprofits: Add a Grant-Writing Skill Fast
Sep 9, 2026