Open Source Ring - http://www.webring.com/hub?ring=os Alphabetized list of many links, OSs, projects.
Paul Hsieh OS Page - http://www.azillionmonkeys.com/qed/os.html Loosely categorized list of about 100 links to developer resources for creating OSs, emulators, alternative OSs.
Microcomputer Operating Systems - http://www.csee.wvu.edu/~jdm/classes/cs258/OScat/micros.html Some 70 OSs that run on microcomputers, PCs. User interfaces in earlier systems are command-line, character-oriented; later systems are mostly GUI-based. List, with brief descriptions, no links. From West Virginia University.
A Catalog of Operating Systems - http://www.csee.wvu.edu/~jdm/classes/cs258/OScat Classified, alphabetic listing of most operating systems, past and present, distributed commercially or reported in English-language literature, platform oriented. From Computer Science 258, West Virginia University.
Alternative OSs on the Net - http://www.d1.dion.ne.jp/~r_high/GeekOS/indexos.html A list of operating systems and OS link sites.
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