Websites
Here's the website of the caretakers of Frost's former home and current museum in South Shaftsbury, Vermont.
This website details the writing and reading workshops at Frost's former farm in Derry, New Hampshire.
Take a look into the poet of the hour with yours truly.
Video
Here's a straightforward, if brief, look at Frost's life from Biography.
Check out this free video lecture from Open Yale on Robert Frost.
This biographical film offers lots of interesting footage of Frost on his farm, as well as from various interviews. It reveals that Frost really was quite down to earth and amicable, even for such an important dude.
Audio
Robert Frost himself reads "Mowing," complete with that classic-sounding golden radio days accent.
This is a recording of Robert Frost reciting his poem "The Gift Outright" at President John F. Kennedy's presidential inauguration ceremony. For the record, the last line was changed from "such as she would become" to "such that she will become" to reflect the hope of his presidential campaign.
Images
Here's one of the last portraits of Robert Frost.
Frost graced the cover of Time Magazine on October 9, 1950.
Articles and Interviews
Well, was he? This Slate article tackles the question.
Books
Here's a link to Google's Robert Frost book ticker, because there are far too many to list individually.
Movies and TV
Here's IMDB's page for all of the films written by Robert Frost or that have him in them.