The Catalog of Federal Domestic Assistance (CFDA) profiles all Federal grant programs, including over 300 programs from the Department of Health and Human Services (HHS). CDFA also lists specific contacts for obtaining additional information and application forms. The CFDA is published annually and updated mid-year.
http://www.cfda.gov/
An online electronic text version is available for keyword search and downloads to your PC from the GrantsNet information service.
http://www.os.hhs.gov/grantsnet/grantinfo.htm

The Children's Bureau Express is an electronic alert published by the National Clearinghouse on Child Abuse and Neglect Information and the National Adoption Information Clearinghouse under the direction of the Children's Bureau. It is designed for professionals concerned with child abuse and neglect, child welfare, and adoption.
http://cbexpress.acf.hhs.gov/index.cfm
To receive notification of upcoming grant competitions from the Children's Bureau, e-mail your name and mailing address.

The Child Care Bulletin is an electronic bulletin published by the National Child Care Information under the direction of the Child Care Bureau. It is designed for professionals concerned with child welfare issues.
http://www.nccic.org/ccb/ccbinfo.html

The Federal Register is a legal newspaper published every business day by the National Archives and Records Administration (NARA). It contains Federal agency regulations; proposed rules and notices; and Executive orders, proclamations, and other Presidential documents.
http://www.archives.gov/federal_register/publications/about_the_federal_register.html
Browse the table of contents in the current issue.
http://www.gpoaccess.gov/fr/index.html
Search the Federal Register by volume and/or keyword.
http://www.gpoaccess.gov/multidb.html

The What’s New Alert is an electronic notification published by the Head Start Information and Publications Center under the direction of the Head Start Bureau. It contains notice of new Information Memorandums and Program Instructions, new funding opportunities, new publications, and more.
http://www.headstartinfo.org/publications/im_cont.htm
http://www.headstartinfo.org/cgi-bin/email/whatsnew.cfm
The Head Start Bureau also offers a Federal Register Alert.
http://www.headstartinfo.org/cgi-bin/Federal_Register/searcharchive.cfm