Funding opportunities
Current grant opportunities and additional grant information is available daily on www.grants.gov. There you can also sign up to receive daily grant opportunity updates.
Another federal update and local community funding site is Center on Nonprofit Effectiveness (C-One).
The Foundation Center is informative and helpful too. The links are fantastic and helpful in many areas of grant writing resources, what to look for, where to look, information on grant workshops, etc.
The National Center for State Courts provides information on governmental and non-governmental grants and their focus, here.
The Office for Victims of Crime maintains a Grants and Funding page.
Additional government and grant information is available at usa.gov.
The Catalog of Federal Domestic Assistance is also informative.