what is the difference between 1999 and eqemulator?

[Bassracerx]

im new to this and i jsut installed and patched the game to run on eq emulator but havent run the game yet to see if it works. i have a question before i start

do i have to decide to run on eq emulator server or project 1999 server? what is the difference between the two? are they the same? i searched and couldent find a faq if someone could answer my questions soon that would be greatly appreciated