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Dev tools · alternatives · 2026

24 alternatives to Kubernetes Certificate Manager – Native Let's Encrypt Integration

Manage Lets Encrypt certificates for a Kubernetes cluster. - kelseyhightower/kube-cert-manager

Kubernetes Certificate Manager is a development tool that automates the management and renewal of SSL/TLS certificates within Kubernetes clusters using Let's Encrypt integration. It is designed for developers and… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Kubernetes Certificate Manager – Native Let's Encrypt Integration launched in 2016; newer entries below may have overtaken it.

  1. 1

    A Let's Encrypt certificates manager for Kubernetes - math-nao/certs

    2019 · github.com · its alternatives →

  2. 2AL
  3. 3

    🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH. - certificates/autocert/README.md at master · smallstep/certificates

    2019 · github.com · its alternatives →

  4. 4

    Hello HN, we're Philip and Louis from Glasskube (https://github.com/glasskube/glasskube). We're working on an open-source package manager for Kubernetes. It's an alternative to tools like Helm or Kustomize, primarily focused on making deploying, updating, and configuring Kubernetes packages simpler and a lot faster. Here is a demo video (https://www.youtube.com/watch?v=aIeTHGWsG2c#t=17s) with quick start instructions. Most developers working with Kubernetes use Helm, an open-source tool created during a hackathon nine years ago. However, with the rapid…

    2024 · github.com · its alternatives →

  5. 5
  6. 6
    ssleek▲92

    A straightforward approach to certificate management

    2024 · ssleek.com · its alternatives →

  7. 7

    Kloak - Kubernetes eBPF Secret Interceptor for HTTPS. Secure secret management without application changes or sidecars.

    Apr 2026 · getkloak.io · its alternatives →

  8. 8
    Devtron▲174

    Kubernetes adoption at warp speed

    2023 · devtron.ai · its alternatives →

  9. 9

    Certificates expire silently. Kubernetes won't warn you, and most teams find out when something breaks. This exporter watches PEM files, kubeconfigs, Kubernetes TLS secrets, and PKCS#12 bundles, and exposes expiration as Prometheus metrics you can alert on. It works standalone too, no Kubernetes required. A Grafana dashboard is included. The new release is a major rewrite, built from experience running this across a large number of production clusters. The main pain point it addresses: at scale, with thousands of certificates, the exporter was putting too much pressure on the Kubernetes API.…

    May 2026 · github.com · its alternatives →

  10. 10

    Multi-Instance SSL certificate management system

    2021 · docs.kilossl.com · its alternatives →

  11. 11

    Permission Manager is a project that brings sanity to Kubernetes RBAC and Users management, Web UI FTW - sighupio/permission-manager

    2020 · github.com · its alternatives →

  12. 12TC
  13. 13

    Simple containerized web application for managing, issuing certificates (and email alerting) from Let's Encrypt certificate authority. - analogic/lemanager

    2015 · github.com · its alternatives →

  14. 14

    Convert your Docker Compose file to Kubernetes or OpenShift

    2017 · kompose.io · its alternatives →

  15. 15

    A secret manager backed by Keybase and KBFS. Contribute to kbsecret/kbsecret development by creating an account on GitHub.

    2017 · github.com · its alternatives →

  16. 16

    SSL/TLS Certificates Made Easy by Amazon

    2016 · docs.aws.amazon.com · its alternatives →

  17. 17

    Portainer is one platform to deploy, run, secure, and govern Kubernetes across your whole fleet, from a single control plane. A platform is a product, not a project.

    2016 · portainer.io · its alternatives →

  18. 18

    Automatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal - caddyserver/certmagic

    2018 · github.com · its alternatives →

  19. 19

    Automatically renew certs and install to destinations - poundifdef/certmaster

    2023 · github.com · its alternatives →

  20. 20AD
  21. 21CS
  22. 22AP
  23. 23

    Easy to use Kubernetes port forwarding manager

    2019 · kube-forwarder.pixelpoint.io · its alternatives →

  24. 24
    Kilo SSL▲126

    Automatic SSL management solution for SaaS providers

    2020 · docs.kilossl.com · its alternatives →

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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 →