dlhttpd

If you're looking for a webserver that prioritizes security, configurability, modularity, extensibility, and programmability, then dlhttpd may be the solution you're looking for. This webserver is written entirely in Java, which means it is compatible with all major platforms that have Java installed, including Mac OS X, Windows, and Linux.

The focus on security is particularly noteworthy because it means that dlhttpd is designed with strong protections in mind. But the emphasis on configurability, modularity, extensibility, and programmability also means that you'll have advanced control over the way your webserver and site functions.

One of the biggest advantages of using dlhttpd is its compatibility with a wide range of operating systems. This allows for easy deployment across multiple servers or platforms. It's also worth noting that dlhttpd is licensed and distributed under the terms of the BSD License, which allows for free and unrestricted usage in most contexts.

Ultimately, if you're looking for a flexible, customizable, and secure webserver solution, then dlhttpd is certainly worth considering. Its advanced features and broad compatibility make it a valuable tool for businesses and developers alike.