Life & fun · alternatives · 2026
24 alternatives to CertMagic – Caddy's automagic HTTPS features as a Go library
Automatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal - caddyserver/certmagic
CertMagic is a Go library that provides automatic HTTPS certificate management features extracted from the Caddy web server. It handles the complex tasks of obtaining, renewing, and managing SSL/TLS certificates… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CertMagic – Caddy's automagic HTTPS features as a Go library launched in 2018; newer entries below may have overtaken it.
- 1

Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go
2015 · caddyserver.com · its alternatives →
- 2C2Caddy 2▲778
Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go
2020 · caddyserver.com · its alternatives →
- 3
Caddy-SSH▲280Caddy-SSH is a general-purpose, memory-safe SSH server built in Go
2022 · caffeinatedwonders.com · its alternatives →
- 4

Manage Lets Encrypt certificates for a Kubernetes cluster. - kelseyhightower/kube-cert-manager
2016 · github.com · its alternatives →
- 5
Caddy v2.5.0▲269Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS - Release v2.5.0 · caddyserver/caddy
2022 · github.com · its alternatives →
- 6
Caddy 2▲4Open source web server with automatic HTTPS written in Go
2020 · caddyserver.com · its alternatives →
- 7

2019 · blog.filippo.io · its alternatives →
- 8

A tiny script to issue and renew TLS certs from Let's Encrypt - diafygi/acme-tiny
2015 · github.com · its alternatives →
- 9DH
Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go
2017 · caddyserver.com · its alternatives →
- 10

Let's Encrypt/ACME client and library written in Go - go-acme/lego
2015 · github.com · its alternatives →
- 11CS
2017 · certstream.calidog.io · its alternatives →
- 12

Create and share beautiful certificates in 1 click for free
2022 · certificates.graphy.com · its alternatives →
- 13

:lock: Simple zero-config SSL reverse proxy with real autogenerated certificates (LetsEncrypt, self-signed, provided) - suyashkumar/ssl-proxy
2018 · github.com · its alternatives →
- 14

Automatically renew certs and install to destinations - poundifdef/certmaster
2023 · github.com · its alternatives →
- 15

- 16

2024 · raphting.dev · its alternatives →
- 17

A Let's Encrypt certificates manager for Kubernetes - math-nao/certs
2019 · github.com · its alternatives →
- 18

:lock: acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt) - hlandau/acmetool
2015 · github.com · its alternatives →
- 19
- 20

grpc microservices with mutual TLS and token authentication in Go - 3n21c0/hello-auth-grpc
2017 · github.com · its alternatives →
- 21

Simplified PHP ACME client. Contribute to analogic/lescript development by creating an account on GitHub.
2015 · github.com · its alternatives →
- 22LS
2013 · log-shuttle.io · its alternatives →
- 23IR
Back in 2012 I built https://cert-depot.com as a weekend project. Node.js + Express + jQuery, shelling out to OpenSSL for certificate generation. It worked but I eventually let it rot. https://news.ycombinator.com/item?id=4766743 Rewrote it from scratch in Go. The entire thing is a single binary with no external dependencies: 1. Certificate generation uses Go's crypto/x509 (no OpenSSL) 2. Certificates are generated in memory and streamed directly — nothing is stored on the server 3. RSA 2048/4096 and ECDSA P-256/P-384 4. Subject Alternative Names…
Apr 2026 · its alternatives →
- 24MW
2019 · autossl.co · 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 →