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.

NGINX is an open-source project that provides different kinds of technologies to help developers create complex and sophisticated applications with ease. It comes with a range of multi-cloud application services to help developers fulfil their requirements. 
NGINX is commonly used by users to build microservices. It also offers the NGINX Partner Program to help users gain access to and grow in a set of skills and capabilities. It provides users with the ease of deployment on any cloud. It also helps by simplifying the entire process and eliminating vendor lock-in. NGINX is mainly recognized for its high-quality security and documentation. NGINX provides NGINX controller, App Protect and Unit to its customers.

Comparison OpenResty vs Nginx