WonderHowTo "hand-selects and curates the best instructional videos from over 1,700 websites" currently providing over 150,000 free how-to videos.
The videos are grouped into 35 different categories with the Education section containing over 1000 videos, the Computers & Programming providing over 3000, the Software section listing over 6000 and the Language section containing over 5000.
You can search WonderHowTo either by browsing the categories & subcategories or by entering a keyword. You can also sort the results provided by latest & greatest, grade, length, view count, submitter or date.
There doesn't seem to be any obviously inappropriate content, although I'm not sure about the Alcohol, Gambling and Weapons categories. As with any of these sharing sites you need to be on the lookout!
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