nio4r vs EventMachine

nio4r

Cross-platform asynchronous I/O primitives for scalable network clients and servers. (by socketry)

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EventMachine

EventMachine: fast, simple event-processing library for Ruby programs (by eventmachine)

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nio4r		EventMachine
	Project
2	Mentions	3
957	Stars	4,242
0.4%	Growth	0.2%
7.1	Activity	3.2
about 1 month ago	Latest Commit	10 months ago
C	Language	Ruby
GNU General Public License v3.0 or later	License	Ruby License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

nio4r

Posts with mentions or reviews of nio4r. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-30.

ArrayBuffer and DataView classes for ruby
2 projects | /r/ruby | 30 Apr 2022

One option to solve my problem was to use nio4r's ByteBuffer class, but it felt weird to have to use an I/O gem just for its ByteBuffer class (although I was using the gem already anyway). I mean, it'd probably have worked.
Best of (Ruby) Gems Series - What's Next? What's Hot?
19 projects | /r/ruby | 12 Mar 2021

nio4r

EventMachine

Posts with mentions or reviews of EventMachine. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-07.

I don’t get all the hate for PHP and at this point I am too afraid to ask.
7 projects | /r/ProgrammerHumor | 7 Feb 2023

You could also use something like EventMachine (In ruby), Twisted (Python), Node (JS) or ReactPHP (for PHP) that will use the language and turn it into a web application server, and then you'll have only one long running process that handle all your requests with shared memory. You could even use something more fancy like RoadRunner in the case of PHP.
Newb here: have you written your own web server? Seeking advice
13 projects | /r/ruby | 18 Jun 2022

Maybe check out EventMachine. You can roll your own using sockets if you don't want to use a library.
Best of (Ruby) Gems Series - What's Next? What's Hot?
19 projects | /r/ruby | 12 Mar 2021

EventMachine

What are some alternatives?

When comparing nio4r and EventMachine you can also consider the following projects:

gems - Ruby Digital Identity & Metaverse Week 2022, September 5th to September 11st - 7 Days of Ruby (Profile Picture & Avatar Character Generation) Gems ++ Best of Ruby Gems Series

Concurrent Ruby - Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

ruby-vips - Ruby extension for the libvips image processing library.

Async Ruby - An awesome asynchronous event-driven reactor for Ruby.

ruby-mqtt - Pure Ruby gem that implements the MQTT protocol, a lightweight protocol for publish/subscribe messaging.

Celluloid - Actor-based concurrent object framework for Ruby

net-ssh - Pure Ruby implementation of an SSH (protocol 2) client

Polyphony - Fine-grained concurrency for Ruby

render_async - render_async lets you include pages asynchronously with AJAX

ROM - Data mapping and persistence toolkit for Ruby

Opal-Async - Non-blocking tasks and enumerators for Opal.