Life & fun · alternatives · 2026

24 alternatives to Puma

A Modern Concurrent Web Server for Ruby

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Puma launched in 2015; newer entries below may have overtaken it.

1. 1
   RubySteps▲66

   A daily coding practice.

   2014 · patmaddox.com · its alternatives →

2. 2
   Lotus▲3

   A complete web framework for Ruby

   2015 · lotusrb.org · its alternatives →

3. 3
   Artoo▲61

   Framework for physical devices written in Ruby

   2015 · its alternatives →

4. 4
   Restyaboard▲197

   An open source alternative to Trello

   2015 · restya.com · its alternatives →

5. 5
   Honeybadger▲76

   Exception, uptime, and performance monitoring for Ruby.

   2014 · honeybadger.io · its alternatives →

6. 6
   Payola▲83

   A Rails engine for Stripe

   2014 · its alternatives →

7. 7
   RancherOS▲59

   A minimalist distribution of Linux

   2015 · rancher.com · its alternatives →

8. 8
   KORE.io▲88

   A fast SPDY capable web server for web development in C

   2015 · kore.io · its alternatives →

9. 9FA
   Fallen: A simpler daemon library for Ruby processes.▲6

   2012 · inkel.github.com · its alternatives →

10. 10
    Ruby on Rails Podcast - 205: Webhooks 101 & 202▲81

    Implementing & scaling webhooks at GitHub

    2015 · 5by5.tv · its alternatives →

11. 11
    Gondola▲69

    The web framework for Go programming language

    2014 · its alternatives →

12. 12
    Prelang▲82

    Automatic Rails Development

    2014 · prelang.com · its alternatives →

13. 13
    Urubu▲70

    A micro CMS for static websites

    2016 · urubu.jandecaluwe.com · its alternatives →

14. 14
    Palomino▲55

    Ultrafast workspace for agents to run in parallel

    11d ago · trypalomino.com · its alternatives →

15. 15
    Sidekiq▲3

    The best background processing for Ruby

    2015 · sidekiq.org · its alternatives →

16. 16LF
    Lightning fast search for Rubygems▲7

    2015 · rubygems.algolia.com · its alternatives →

17. 17
    Fae▲8

    Open-source content management system based on Rails

    2017 · faecms.com · its alternatives →

18. 18
    Linux-based OS with HTML, CSS, JS, and JSON environment▲8

    May 2026 · github.com · its alternatives →

19. 19AP
    A Python Web Framework with Rust Runtime▲5

    2022 · sanskar.me · its alternatives →

20. 20
    Goru, an experimental, Go-inspired concurrency library for Ruby▲6

    Hey folks, wanted to show this off and get feedback. Still early/experimental but there are quite a few concepts I'm excited about here. This project came about while writing a program in Go and loving its approach to concurrency. Being a long-time Rubyist I immediately started to think about what similar concepts might look like in Ruby. I set out with two main design constraints: 1. Lightweight: I didn't want routines to be backed by fibers or threads. Having been involved some in the async project (https://github.com/socketry/async), I had some experience using…

    2023 · github.com · its alternatives →

21. 21AL
    A Lightweight Kafka Alternative▲6

    www.github.com/nubskr/walrus

    Nov 2025 · its alternatives →

22. 22
    Ruby Tapas▲17

    Short Screencasts of Gourmet Ruby

    2015 · its alternatives →

23. 23RU
    RefactorCop – Using Rubocop to analyze open source ruby projects▲5

    2014 · refactorcop.com · its alternatives →

24. 24
    Ruby queueing library built on Amazon SQS for background processing▲7

    2012 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →