Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Google Cloud Functions - A serverless platform for building event-based microservices.