Here are some directories of nonprofit organizations, sorted by the IRS classifciations.  You can make a donation or set up your own fundraising page for any of these organziations.

• Agriculture, Food & Nutrition Non-Profit Organizations
• Animal-Related Non-Profit Organizations
• Arts, Culture, and Humanities Non-Profit Organizations
• Community Improvement & Capacity Building Non-Profit Organizations
• Crime & Legal Non-Profit Organizations
• Disease, Disorder & Medical Discipline Non-Profit Organizations
• Education Non-Profit Organizations
• Employment & Job-Related Non-Profit Organizations
• Environmental Quality Protection, & Beautification Non-Profit Organizations
• General Health & Rehabilitative Non-Profit Organizations
• Housing & Shelter Non-Profit Organizations
• Human Services Non-Profit Organizations
• International, Foreign Affairs & National Security Non-Profit Organizations
• Medical Research Non-Profit Organizations
• Mental Health & Rehabilitative Non-Profit Organizations
• Other and Uncategorized Non-Profit Organizations
• Philanthropy, Voluntarism & Grantmaking Non-Profit Organizations
• Public Safety, Disaster Preparedness & Relief Non-Profit Organizations
• Recreation, Sports, Leisure & Athletics Non-Profit Organizations
• Religion & Spiritual Developmenr Non-Profit Organizations
• Youth Development Non-Profit Organizations