Here are some good places to search for grants. They cover a number of agencies or foundations so you may check many places at once. Each one operates very differently so you may need to spend time figuring out how to most effectively search them for what you need. Please remember to always work with the Office of Graduate Education, Grants & Sponsored Research whenever you look for funding from an external source.
For more information on the Office of Grants and Sponsored Research, as well as short lists of specialized funders please click on the links below: