Bobo's DOSGames: Features DOS games for download, as well as editors, mods, tcs, addons, and maps.
Good Old DOS: Hand-picked list of classics.
JCK Classic Games: Reviews and downloads of DOS games. The site can be navigated in either Flash or HTML.
Revelater Software: Offers text based DOS games. Software descriptions and downloads.
Russian Under Ware: Several unique game concepts, with screenshots of each available game.
The Key to the Castle: Contains hints, tips, screenshots, and information about the action-adventure game Castle Adventure.