- Astrofieds - Active and archived, message board, tutorial, and FAQ.
- AstroMart - Everything for the astronomer including news, classifieds, auctions, articles, forums, and a calendar.
- Astronomy Classified Ads - Accessories, cameras and photography, eyepieces, optics, telescope mounts, and telescopes and binoculars.
- Astronomy Classifieds - Amateur telescope maker (ATM) supplies, books and publications, cameras and imaging, electronics, employment, mounts, optics, and telescopes.
- Astronomy Mall - The sale of hobby related equipment and accessories listed for free.
- Astronomy Pinboard - Accessories, software, observatories, binoculars, telescopes, components, photo equipment, and miscellaneous items.
- Canada Wide Astronomy Buy and Sell - Contains new and used telescopes and accessories.
- Chicagoland Astro-Ads - A free service to amateur astronomers in the greater Chicago, Illinois area to post astronomy classified ads, and shop for used astronomy equipment.
- Deepskies Astronomy - Classifieds - Free ads for categories of telescopes, parts, accessories, CCD cameras, binoculars, and publications.
- ITE Classifieds - Listings of telescopes and accessories for sale or trade.
- ScopeTrader - Reflectors, refractors, mounts, cameras, scope building, eyepieces, and observatories.
