cert-manager vs Nginx Proxy Manager
A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
cert-manager
Automated TLS certificate management for Kubernetes
VS
Nginx Proxy Manager
Easy reverse proxy management with a web UI and free SSL
| Feature | cert-manager | Nginx Proxy Manager |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | MIT |
| Language | Go | TypeScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 256 MB | 256 MB |
| Deployment | kubernetes, helm | docker |
| GitHub stars | ★ 14,006 | ★ 33,804 |
| First released | 2017 | 2019 |
| Replaces | Certbot | Cloudflare |
Why pick each one
Choose cert-manager if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Mature project with 14k GitHub stars
- Written in Go
Choose Nginx Proxy Manager if…
- Beginner-friendly
- Free certificates built in
Frequently asked questions
Is cert-manager or Nginx Proxy Manager better?
Nginx Proxy Manager is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider cert-manager if its specific feature set fits your needs better.
Are cert-manager and Nginx Proxy Manager free and open-source?
Yes. cert-manager is licensed under Apache-2.0 and Nginx Proxy Manager under MIT. Both can be self-hosted at no software cost.
Can I run cert-manager and Nginx Proxy Manager with Docker?
cert-manager: check the project docs for container support. Nginx Proxy Manager: yes.