real bio pointed us to Juggernautsearch which actually looks interesting. Its GPLd. It can index 800 million pages every 3 months and deliver 10 million pages a day on a Pentium II. So I guess if you want to run your own Altavista, you can.
Top Ten Things Overheard At The ANSI C Draft Committee Meetings: (3) Ha, ha, I can't believe they're actually going to adopt this sucker.