lighttpd (pronounced “lighty”)
lighttpd is Lightweight open-source webserver compared to other web-servers.This is perfect for high load websites.Some popular websites like Youtube,wikipedia and meebo are powered by lighttpd.Click here for more sites.
Main features
FastCGI, SCGI, Auth, Output-Compression, URL-Rewriting
Download lighttpd
nginx (pronounced “engine x”)
nginx is a HTTP and reverse proxy server, as well as a mail proxy server written by Igor Sysoev.
Features
Accelerated reverse proxying with caching
load balancing and fault tolerance
SSL and TLS SNI suppor
Name-based and IP-based virtual servers
Keep-alive and pipelined connections support
The rewrite module
Access control based on client IP address and HTTP Basic authentication
The PUT, DELETE, MKCOL, COPY and MOVE methods
FLV streaming
Embedded perl