(from a posting on Disability.gov)
There are a number of private and public sources for financing, grants and loans to assist in the purchase of assistive technology. The following resources identify where and how to obtain financial assistance.
The article “Funding Assistive Technology & Accommodations” ( http://www.onestops.info/article.php?article_id=22&subcatid=3 ) from the National Center on Workforce & Disability provides information on how [...]

RESNA: Alternative Financing Technical Assistance Project (AFTAP): Many states have low interest loan programs for financing the purchase of assistive technology devices. http://www.resnaprojects.org/AFTAP/state/RESNA.html

Non-Profit Guides: Grant writing tools for non-profit organizations; http://www.npguides.org/

Grants.gov: is your source to find and apply for federal grants. http://www.grants.gov/

The Foundation Center: Online training and tutorials, tools and resources on grantseeking. http://foundationcenter.org/getstarted/nonprofits/

ABLEDATA: Informed Consumer’s Guide to Funding Assistive Technology; This Informed Consumer Guide discusses a broad range of potential sources of funding and funding information for assistive technology and provides lists of specific organizations and programs from which funding and funding information are available. The guide also discusses other sources of information on funding issues and [...]