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Alternatives · 2026

The best AWS Certificate Manager alternatives

The rest of Best Certificate Management Software, in this site's order: each with what it costs, where it runs and its record score.

1
EJBCA

EJBCA Community Edition suits people learning, testing, or prototyping PKI workflows, as well as teams exploring the listed use cases.

WebWindowsMac+3 £62,065 a year Record6.3 Visit
2
Certify The Web

It suits administrators managing TLS certificates on Windows servers or desktops, headless Linux and macOS systems, or multiple instances centrally.

WebWindowsMac+3 $59 a year Record6.0 Visit
3
Let's Encrypt

Let’s Encrypt suits people and organizations that need certificates for domain-named web, mail or FTP servers and can use compatible clients to…

WebWindowsMac+3 Free plan Record5.8 Visit
4 WebWindowsLinux+2 $475 a year Record5.8 Visit
5
KeyTalk CKMS

CKMS may suit businesses and managed service providers that need certificate lifecycle management, network discovery, and deployment choices.

AndroidiPhone & iPadWeb+5 €5 a month Record5.5 Visit
6
GeoTrust

GeoTrust Horizon may suit small and medium businesses and builders managing certificates or scanning for vulnerabilities.

WebWindowsLinux+1 $2 a month Record4.9 Visit
7
acme.sh

It suits people automating certificate issuance and renewal for Linux, macOS, self-hosted, or Windows environments.

WindowsMacLinux+1 Free plan Record4.8 Visit
8 WebAPI $250 a year Record4.8 Visit
9
Certbot

Certbot suits website administrators comfortable using the command line on dedicated, VPS, or cloud-hosted servers.

WindowsMacLinux+1 Free plan Record4.7 Visit
10
lego

lego suits developers and operators who need an ACME client for certificate issuance and renewal, including people automating certificate workflows…

MacLinuxAPI+1 Free plan Record4.7 Visit
11 WebLinuxAPI+1 Free plan Record4.6 Visit
12
Entrust Certificate Manager

It suits organizations that need centralized certificate oversight across multiple environments or certificate authorities.

AndroidiPhone & iPadWeb+3 — Record4.4 Visit
13 Windows Free plan Record4.4 Visit
14
cert-manager

It suits teams running Kubernetes or OpenShift workloads that need managed certificates for public-facing or internal services.

LinuxAPISelf-hosted Free plan Record4.3 Visit
15 WebWindowsLinux+1 $40 a year Record4.3 Visit
16
Dogtag Certificate System

Dogtag is intended for enterprises building large-scale PKI deployments.

LinuxAPISelf-hosted Free plan Record4.3 Visit
17 WebWindowsMac+3 — Record4.2 Visit
18 WebAPI Free plan Record4.0 Visit
19
Keyfactor Platform

It is aimed at PKI, security, infrastructure, and DevOps teams that need certificate governance and lifecycle automation across environments.

WebAPISelf-hosted — Record4.0 Visit
20
ServiceNow Event Management

It suits organizations managing infrastructure events, service health, and alert workflows across multiple systems.

WebWindowsLinux+1 — Record4.0 Visit
21 WindowsLinuxAPI — Record3.9 Visit
22 WebWindowsLinux+2 — Record3.9 Visit
23 WebAPISelf-hosted — Record3.7 Visit
24 WebAPI — Record3.7 Visit