Mongoose Web Server vs Pow: What are the differences?

Developers describe Mongoose Web Server as "The most easy to use web server on the planet". Mongoose is built on top of Libmongoose embedded library, which can turn anything into a web server in 5 minutes worth of effort and few lines of code. Libmongoose is used to serve Web GUI on embedded devices, implement RESTful services, RPC frameworks (e.g. JSON-RPC), handle telemetry data exchange, and perform many other tasks in various different industries including aerospace, manufacturing, finance, research, automotive, gaming, IT. On the other hand, Pow is detailed as "Zero-configuration Rack server for Mac OS X". Pow is a zero-configuration Rack server for Mac OS X. It makes developing Rails and Rack applications as frictionless as possible. You can install it in ten seconds and have your first app up and running in under a minute. No mucking around with /etc/hosts, no compiling Apache modules, no editing configuration files or installing preference panes. And running multiple apps with multiple versions of Ruby is trivial.

Mongoose Web Server and Pow can be categorized as "Web Servers" tools.

Mongoose Web Server and Pow are both open source tools. It seems that Mongoose Web Server with 5.51K GitHub stars and 1.61K forks on GitHub has more adoption than Pow with 3.47K GitHub stars and 259 GitHub forks.