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.
I took a fish head to the movies and I didn't have to pay. -- Fish Heads, Saturday Night Live, 1977.