I have a collection of 3D Glasses for viewing Anaglyphs that I've purchased through Amazon.com. Here they are, with comments.
Anaglyphs can be made with a large variety of color filtering strategies. If you know of a reasonable way to purchase different types of glasses that are not listed here, do let me know.
Pro-Ana (TM) PROFESSIONAL 3D Glasses
I use these glasses more than any of the others. The red/cyan lenses filter colors better than the cheaper cardboard glasses, resulting in a better image. If you are going to work on an anaglyph project for any length of time, buy a pair of these.
These glasses took over a month to arrive and they didn't look like the glasses shown (accurate picture here). Since identical glasses are available elsewhere on the site, I recommend buying one of the other copies instead.
50 Pairs - 3D Glasses Red and Cyan
Inexpensive 3D glasses that arrive individually wrapped that you can give out to a large group of people. I bought these for when I taught at ITP Camp. They don't work quite as well as the non-cardboard ones, so for design and development work, buy a better pair. For an exhibition of some kind, these would be a great choice.
Pro-X Style Magenta/Green 3D Glasses
The lenses on these don't filter colors nearly as well as any other glasses I've tried. If you are curious about anaglyphs and want to buy one of every possible pair of glasses like I do, give it a try. Otherwise, don't bother.
Amber-Blue (ColorCode 3D)
ColorCode 3D is a relatively new technology for creating anaglyphs that produces results that are superior to red-cyan anaglyphs. The range of colors you can see is quite impressive.
3D Wizard is some electronics device that converts 3D content into something viewable on a 2D TV, but that isn't important here. The glasses themselves work quite well for creating amber-blue anaglyphs with Camera3D.
These glasses are great but they are narrower than the others and might be uncomfortable if you have an extra large cranium.
ColorCode (TM) 3D Glasses (3 Pairs)
Cardboard amber-blue glasses. They work well but will not be as durable as the plastic ones above. If you know of a place to buy these in large quantities, please let me know.