Raspberry Pi isn't limited to a single server application, but the most popular and easy to install seems to be Apache. Apache has been around since 1995 and caught on the next year.

With Windows Server 2012 R2, Microsoft has built in a reverse-proxy feature. The Web Application Proxy securely publishes internal resources out to the Internet for access by both corporate-owned ...

How to set up a safe and secure Web server Learn a lot by doing it yourself instead of going with a hosting company.