We want to highlight this article for those looking for assistive technologies for those caring for someone with dementia or age-related frailties in a home setting. And highlight this website for its great information across the board for caregivers.
This website has an entire section devoted to technology, so you might want to even bookmark that section. The organization is based in the UK, and provides information about caring for aging parents far beyond just technology. Check them out!
(Remember that prices of products and the company sponsor advertisements are written for a UK audience, but similar products are available also available in the US.)