Ruby Kubernetes

Open-source Ruby projects categorized as Kubernetes
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Top 17 Ruby Kubernete Projects

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  1. ubicloud

    Open source alternative to AWS. Elastic compute, block storage (non replicated), firewall and load balancer, managed Postgres, K8s, AI inference, and IAM services.

    Project mention: Ubicloud vs Spinifex: Two Approaches to Open Source Cloud | dev.to | 2026-09-01

    Ubicloud is a YC-backed open source cloud platform written in Ruby. It provides elastic compute via virtual machines, block storage (non-replicated), virtual networking with firewalls and load balancers, managed Postgres with automatic backups and point-in-time restore, Kubernetes, GitHub Actions runner integration, AI inference, and attribute-based access control. You can self-host it on bare metal from providers like Hetzner or Leaseweb, or use their managed service which runs on the same bare metal providers and handles the operational overhead for you.

  2. AppSignal

    AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.

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  3. canine

    A developer friendly PaaS for your Kubernetes

    Project mention: Ask HN: What are you working on? (September 2026) | news.ycombinator.com | 2026-09-06

    I've been slowly working on https://github.com/CanineHQ/canine for about 2 years now. Basically a self hosted, FOSS that turns a Kubernetes cluster into something as easy to use as Heroku.

    It was a pain point from a start up I cofounded before where we needed Kubernetes flexibility but developers hated using it. I figured there was no reason why it had to be hard to use and thus Canine was born.

  4. krane

    A command-line tool that helps you ship changes to a Kubernetes namespace and understand the result

  5. manageiq

    ManageIQ Open-Source Management Platform

  6. krane

    Kubernetes RBAC static analysis & visualisation tool (by appvia)

  7. cuber-gem

    An open-source automation tool that simplifies the deployment of your apps on Kubernetes.

    Project mention: I Am Building a Cloud | news.ycombinator.com | 2026-04-22

    Kubernetes is not bad, it's just low level. Most applications share the exact same needs (proof: you could run any web app on a simple platform like Heroku). That's why some years ago I built an open source tool (with 0 dependencies) that simplify Kubernetes deployments with a compact syntax which works well for 99% of web apps (instead of allowing any configuration, it makes many "opinionated" choices): https://github.com/cuber-cloud/cuber-gem I have been using it for all the company web apps and web services for years and everything works nicely. It can also auto scale easily and that allows us to manage huge spikes of traffic for web push (Pushpad) at a reasonable price (good luck if you used a VM - no scaling - or if you used a PaaS - very high costs).

  8. hairpin-proxy

    PROXY protocol support for internal-to-LoadBalancer traffic for Kubernetes Ingress users. If you've had problems with ingress-nginx, cert-manager, LetsEncrypt ACME HTTP01 self-check failures, and the PROXY protocol, read on.

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  10. kuby-core

    A convention over configuration approach for deploying Rails apps. https://getkuby.io

  11. uffizzi

    Build self-serve developer platforms in minutes, not months with out-of-the-box Kubernetes multi-tenancy, virtual clusters, cloud-based dev environments, customizable templating, and more.

  12. sidekiq_alive

    Liveness probe for Sidekiq in Kubernetes deployments

  13. Docker-Provider

    Azure Monitor for Containers

  14. devops-ai-open-leaderboard

    DevOps AI Assistant benchmarks for AWS, Kubernetes, and more

  15. semaphore-demo-ruby-kubernetes

    A Semaphore demo CI/CD pipeline for Kubernetes.

  16. eien

    Command line tool that manages and deploys apps to any Kubernetes cluster and abstracts all Kubernetes concepts from you.

  17. kubetruth

    The CloudTruth integration for kubernetes that pushes parameter updates into kubernetes config maps and secrets

  18. shepherd

    Offer self-hosted versions of your SaaS in 30 minutes. Create the and share the deployment configuration using the no-code 🗺️ Helm chart builder, then push ⬆️ upgrades and ⏪ rollbacks to these deployments from the Shepherd UI. (by contextco)

  19. docker-slim

    Slim Rails images, Rails/Sidekiq/ActionCable-standalone/Nginx with Docker-Compose & Kubernetes (StatefulSet Postgres & Redis) (by ndrean)

  20. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source Kubernete projects in Ruby? This list will help you:

# Project Stars
1 ubicloud 12,306
2 canine 2,938
3 krane 1,419
4 manageiq 1,402
5 krane 749
6 cuber-gem 713
7 hairpin-proxy 602
8 kuby-core 575
9 uffizzi 353
10 sidekiq_alive 204
11 Docker-Provider 174
12 devops-ai-open-leaderboard 43
13 semaphore-demo-ruby-kubernetes 20
14 eien 11
15 kubetruth 10
16 shepherd 4
17 docker-slim 0

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