CosmosMUD: How to Plan an Area
- Provides tips on what to consider when planning a MUD area.
- http://cosmos.wolfpaw.net/areabuild/areadoc.html

Area Swap Yahoo! Club
- Discussion site for area builders.
- http://groups.yahoo.com/group/areaswap/

Make ZonesFast
- Off-line area editor for ROM, Merc and Envy codebases.
- http://www.snible.org/mud/mzf.html

Lunar Eclipse OLC and Building
- Concluse guide to using ROM OLC (version ROM2.4b). Gives detailed information and guidelines for the essential commands.
- http://lunar.betterbox.net/olc.html