FAQ:
Q: What is "Left4Maps2000"?
A: It is something like Qtracker for Left 4 Dead and Left 4 Dead 2.
Q: What makes it better than Qtracker?
A: You can simply click a link to go to the l4dmaps.com page to download the custom map currently played on the server.
Q: Why are there already servers listed?
A: Because it brings some servers preconfigured. These servers are visible in the list only when they are online. You can add other servers too.
Q: How to install?
A: Download and unzip the ZIP file somewhere.
Have fun!