OpenResty is a web application platform started by Yichun Zhang. It is one of the most widely used web servers. It is based on Nginx and comes with several Lua libraries. It is recognized for its multiple 3rd party Nginx module options as well.

It provides an optimal architecture that can process a huge number of requests with ease. It helps mainly with the building and development of web applications, servers and gateways. It works by way of machine coding. It offers different products such as OpenResty Plus, OpenResty Edge, OpenResty Xray and OpenResty OSS, which are designed to meet the different needs of its users.

Apache provides a web server software provided by Apache Software Foundation. It is open-source software that can be downloaded for free. Its range of features includes Unix threading, a new build system, multiprotocol support, and support for non-unix platforms along with IPv6 support.
It also comes with Apache filtering, Multilanguage error responses, native windows NT Unicode support along with a simple configuration. Apache server is recognized for its flexibility. It also has an active community and gets frequent updates. It provides extensive documentation to its users as well. Apache server is used by well-known companies such as IBM, eBay, Adobe, LinkedIn, Facebook and GTMetrix.

Comparison OpenResty vs Apache