Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Observable - Interactive code examples/posts
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
nbviewer.org - Rackspace server host Jupyter Notebooks from your github repo
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.