Best ServiceNow Certificate Management Alternatives in 2026
Taken from Certificate Management Software, where ServiceNow Certificate Management is listed too, in the same order.
- 1
8.7 Club scoreEJBCA
EJBCA is open-source public key infrastructure (PKI) and Certificate Authority software for managing certificates, registration, enrollment, and validation.
- Free plan
- Open source
- Windows · macOS · Linux · Web
- 2
8.5 Club scoreCertify The Web
Certify The Web provides tools for requesting, deploying, and renewing TLS certificates.
- Free plan
- Windows · macOS · Linux · Web
- 3 8.5 Club score
Let's Encrypt
Let’s Encrypt is a global Certificate Authority issuing SSL/TLS certificates for secure HTTPS connections.
- Free plan
- Open source
- Windows · macOS · Linux · Web
- 4
8.0 Club scoreManageEngine Key Manager Plus
ManageEngine Key Manager Plus manages SSL/TLS certificate lifecycles and digital keys across enterprise networks.
- Free plan
- Windows · Linux · Web · API
- 5
7.6 Club scorelego
lego is a free, open-source ACME client for obtaining, renewing, and revoking certificates.
- Free plan
- macOS · Linux · API · Self-hosted
- 6 7.5 Club score
acme.sh
acme.sh is a free Unix shell ACME client for automating SSL/TLS certificate issuance, renewal, and installation.
- Free plan
- Windows · macOS · Linux · Self-hosted
- 7
7.4 Club scoreKeyTalk CKMS
KeyTalk CKMS automates public key infrastructure (PKI) work, including issuing, distributing, and managing digital certificates.
- Free trial
- Windows · macOS · Linux · iPhone and iPad
- 8 7.4 Club score
Certbot
Certbot is free, open-source software from the Electronic Frontier Foundation for enabling HTTPS on manually administered websites.
- Free plan
- Windows · macOS · Linux · Self-hosted
- 9 7.4 Club score
OpenXPKI
OpenXPKI is certificate management software for professional PKI environments, with customizable workflows for X.509v3 certificate requests, renewals, and revocations.
- Free plan
- Linux · Web · API · Self-hosted
- 10
7.2 Club scoreKeyfactor Platform
Keyfactor Platform, through Keyfactor Command, helps PKI, security, infrastructure, and DevOps teams find and manage certificates across authorities, clouds, and…
- Free trial
- Web · API · Self-hosted
- 11 7.2 Club score
Qualys External Attack Surface Management
Qualys External Attack Surface Management gives security teams an outside-in view of internet-facing infrastructure and continuously monitors connected assets.
- Free trial
- Linux · Web · API
- 12
7.1 Club scoreServiceNow Event Management
ServiceNow Event Management collects operational events from multiple sources, analyzes their causes, and turns them into alerts that teams can group and act on to…
- Windows · Linux · Web · API
- 13
7.1 Club scoreSectigo Certificate Manager
Sectigo Certificate Manager is a cloud-based, CA-agnostic platform for discovering, issuing, deploying, renewing, replacing, and managing public and private certificates.
- Free trial
- Web · API
- 14 7.1 Club score
win-acme
win-acme is a free, open-source ACMEv2 client for Windows that obtains certificates from Let’s Encrypt and other ACME services.
- Free plan
- Windows
- 15 7.0 Club score
Entrust Certificate Manager
Entrust Certificate Manager centralizes discovery, monitoring and lifecycle management for digital certificates.
- Linux · Web · iPhone and iPad · Android
- 16
6.9 Club scoreGeoTrust
GeoTrust Horizon is a security platform for managing SSL certificates, monitoring certificate health, and finding server vulnerabilities.
- Windows · Linux · Web · API
- 17
6.9 Club scorecert-manager
cert-manager obtains X.509 certificates from public and private issuers, keeps them valid, and attempts renewal before expiry.
- Free plan
- Linux · API · Self-hosted
- 18
6.9 Club scoreGoogle Cloud Certificate Manager
- Free plan
- Web · API
- 19
6.9 Club scoreDigiCert ONE
DigiCert ONE is a digital-trust platform that brings together public and private certificate authorities, lifecycle management, software signing, device identity…
- Windows · macOS · Linux · Web
- 20
6.8 Club scoreDigiCert Trust Lifecycle Manager
- Windows · Linux · Web · API