Abyss Web Server is a lightweight web server that supports secure connections, compression and a variety of web technologies. Includes dynamic content generation through CGI/FastCGI scripts, ISAPI extensions, native ASP.NET, reverse proxying, eXtended Side Includes (XSSI), custom error pages and log rotation. Includes remote management tools.
Security features include SSL/TLS, anti-leeching, password protection, bandwidth throttling, IP address controls, anti-hacking features etc.
Clients available for Mac OS X and Linux.