Unicorn alternatives and similar gems

Based on the "Web Servers" category.
Alternatively, view Unicorn alternatives based on common mentions on social networks and blogs.

Puma

9.6 9.0 L5 Unicorn VS Puma

A Ruby/Rack web server built for parallelism
Rack

9.5 7.5 L5 Unicorn VS Rack

A modular Ruby web server interface.

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Phusion Passenger

9.1 8.1 L2 Unicorn VS Phusion Passenger

A fast and robust web server and application server for Ruby, Python and Node.js
Goliath

8.1 0.0 L5 Unicorn VS Goliath

Goliath is a non-blocking Ruby web server framework
Thin

7.9 0.8 L5 Unicorn VS Thin

A very fast & simple Ruby web server
falcon

7.5 4.2 Unicorn VS falcon

A high-performance web server for Ruby, supporting HTTP/1, HTTP/2 and TLS.
Iodine

5.4 6.2 L3 Unicorn VS Iodine

iodine - HTTP / WebSockets Server for Ruby with Pub/Sub support
TorqueBox

5.1 0.0 L5 Unicorn VS TorqueBox

TorqueBox Ruby Platform
Reel

5.1 0.0 L4 Unicorn VS Reel

Celluloid::IO-powered web server.