Microsoft IIS!

Apache, is a web server notable for playing a key role in the initial growth of the World Wide Web and in 2009 became the first web server to surpass the 100 million web site milestone. Apache was the first viable alternative to the Netscape Communications Corporation web server, and has since evolved to rival other Unix-based web servers in terms of functionality and performance. The majority of all web servers using Apache are Linux web servers.Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation. »

FileZilla Server, sister product to FileZilla Client, is an FTP server that supports FTP and FTP over SSL/TLS. FTP over SSL/TLS provides secure encrypted connections to the server.

Caddy is a web server like Apache, nginx, or lighttpd, but with different goals, features, and advantages.The purpose of Caddy is to streamline an authentic web development, deployment, and hosting workflow so that anyone can host their own web sites without requiring special technical knowledge.

Very secure FTP Daemon, a secure, fast FTP server for UNIX systems, including Linux.

Cherokee is a flexible, very fast, lightweight Web server. It is implemented entirely in C, and has no dependencies beyond a standard C library. It is embeddable and extensible with plug-ins. It supports on-the-fly configuration by reading files or strings, TLS/SSL (via GNUTLS or OpenSSL), virtual hosts, authentication, cache friendly features, PHP, custom error management, and much more.

Abyss Web Server is a compact web server available for Windows, Mac OS X, Linux, and FreeBSD operating systems.

Hiawatha, a secure and advanced webserver

Tornado is an open source version of the scalable, non-blocking web server. The framework is distinct from most mainstream web server frameworks (and certainly most Python frameworks) because it is non-blocking and reasonably fast. Because it is non-blocking and uses epoll, it can handle thousands of simultaneous standing connections, which means it is ideal for real-time web services.

Serv-U is the FTP server that is both secure and easy to use. Sharing files through the Internet is a smooth process with the industrys most popular FTP server. The clear and comprehensible interface makes easy work of all your file sharing and management, and the SSL connections between Serv-U and your secure FTP clients will ensure that your data is encrypted.

Devd is a single statically compiled binary with no external dependencies, and is released for OSX, Linux and Windows. Don't want to install Node or Python in that light-weight Docker instance you're hacking in? Just copy over the devd binary and be done with it.

Syncplify.me Server! is the free FTP, FTPS, and SFTP server for Windows by Syncplify, Inc.Powerful, secure, yet very easy to configure, this software simplifies regulatory compliance and operation of a secure file transfer server.Its main features are: support for plain FTP, explicit FTPS (TLS), implicit FTPS (SSL/TLS), and SFTP file transfer protocols, basic secure shell (SSH-2) and forwarding tunnels support, runs as a system service, supports large files (> 4 GB).And it also has several useful advanced features like: PKI authentication with multiple key-pairs per user, advanced FTP(S) and SFTP security settings, configurable automatic blacklist, real-time monitor, virtual folders with per-folder security, IP-based and per-user security (white-lists), powerful event-handling subsystem, graphical Configuration Manager, command-line Interface (CLI) configuration tool.It is totally free, including lifetime updated and upgrades, for personal use. »

Ever wanted to set up a webserver so that you could have your friends check out a new page you're working on? Or maybe you'd just like to play around with HTML, and need to have a local webserver to get a good feel... Whichever the case, you've probably discovered that most of the webservers out there are, how should I put this, interface challenged. Sure, you can run Apache on your machine, but only after a couple hours hacking on cryptic text files, but now there's a better option... Introducing AnalogX SimpleServer:WWW, the first in a series of simple to use yet powerful servers! This webserver is SO easy to use, about the only thing you need to know how to do is drag and drop files, then just click on the 'Start' button, and your webserver is up and running, serving your pages to the world! Best of all, SimpleServer minimizes to the system tray, so it doesn't take up valuable screen space when you're not working with it. SimpleServer:WWW supports MIME file typing, CGI, common log format, and multi-hosting, just to name a few! If you've always wanted a compact, easy to use, versatile webserver, then your prayers have been answered! »