The Infinite Hills
Christoph C. Birk's corewar Page
Home of the Koenigstuhl. Including 10 different infinite hills with different scoring schemes.
Planar's corewar Page
Home of the Mount Olympus. Has also numerous warriors sorted by different aspects (strategy, author, etc.).
John Metcalf's Corewar: Home
Home of the Infinite Tiny Hill and Infinite Nano Hill. It also includes further very useful corewar related information.
Fizmo's Infinite DynaHills
An infinite version of the Corewar DynaHill.