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Instead of GeoTrust

GeoTrust alternatives

GeoTrust Horizon brings together DV, OV, and EV SSL certificates issued from DigiCert roots with certificate automation, SSL monitoring, and vulnerability management. AutoInstall SSL handles installation, re-issuance, and renewal across web servers and container environments; SSL Monitor checks domains and subdomains daily, and Vulnerability Manager scans servers and provides remediation instructions. The platform targets small and medium businesses and fast-moving builders, with SSL Monitor priced from $2 per month and certificate plans priced separately.

1. 1

   Certify The Web

   Free plan APILinuxMac+3

   Certificate deployment across varied servers and cloud services — Certify The Web adds centralized management, broad deployment integrations, and monitoring, while GeoTrust also offers OV and EV certificates and vulnerability scanning.

   Free plan · paid from $4.99/mo Visit site
2. 2 A

   acme.sh

   Free plan LinuxMacSelf-hosted+1

   Free shell-based certificate automation — acme.sh is a free Unix shell ACME client with many validation modes, while GeoTrust adds paid DV, OV, and EV certificates and security monitoring.

   Free plan Visit site
3. 3 C

   Certbot

   Free plan LinuxMacSelf-hosted+1

   Command-line users administering a website server — Certbot is free open-source software for Let’s Encrypt certificates, while GeoTrust offers DV, OV, and EV certificates plus monitoring and vulnerability management.

   Free plan Visit site
4. 4

   EJBCA

   Free plan Open source APILinuxMac+3

   Organizations managing multiple independent PKIs — EJBCA manages multiple PKIs with CA, RA, and VA modules, unlike GeoTrust’s bundled SSL certificates, monitoring, and server vulnerability scans.

   Free plan · 30-day trial Visit site
5. 5

   lego

   Free plan APILinuxMac+1

   Go developers needing an ACME client or library — lego is a free Go ACME client and library supporting certificate revocation and more than 200 DNS providers, while GeoTrust adds monitoring and vulnerability scans.

   7.2 Open source Visit site
6. 6 L

   Let's Encrypt

   Free plan Open source APILinuxMac+3

   Free DV certificates with subscriber-managed private keys — Let’s Encrypt issues free DV certificates with private keys managed on subscribers’ servers, while GeoTrust also offers OV and EV certificates and vulnerability management.

   Free plan Visit site
7. 7 O

   OpenXPKI

   Free plan APILinuxSelf-hosted+1

   Customizable enterprise PKI and certificate workflows — OpenXPKI supports multiple PKI Realms, customizable workflows, and HSMs, while GeoTrust combines SSL certificates with monitoring and vulnerability scanning.

   7.1 Free plan Visit site
8. 8 D

   Dogtag Certificate System

   Free plan APILinuxSelf-hosted
   7.3 Free plan Visit site
9. 9

   ManageEngine Key Manager Plus

   Free plan APILinuxSelf-hosted+2
   7.2 Free plan · paid from $59/mo · 30-day trial Visit site
10. 10

    Google Cloud Certificate Manager

    Free plan APIWeb
    7.0 Free plan · paid from $0.00 Visit site
11. 11 W

    win-acme

    Free plan Windows
    6.5 Open source Visit site
12. 12

    KeyTalk CKMS

    Free trial AndroidAPIiPhone+5
    6.2 Pricing on request Visit site
13. 13

    Keyfactor Platform

    Free trial APISelf-hostedWeb
    6.1 Pricing on request · 30-day trial Visit site
14. 14 O

    Oracle Cloud Infrastructure Certificates

    Free plan Web
    6.1 Free plan Visit site
15. 15

    DigiCert ONE

    Paid APILinuxMac+3
    5.9 Pricing on request Visit site
16. 16

    DigiCert Trust Lifecycle Manager

    Paid APILinuxWeb+1
    5.9 Visit site
17. 17 E

    Entrust Certificate Manager

    Paid AndroidAPIiPhone+3
    5.8 Pricing on request Visit site
18. 18 Q

    Qualys Certificate Inventory

    Free plan Web
    5.8 Free plan Visit site
19. 19

    Garnet Certificate Lifecycle Management

    Paid APILinuxWindows
    5.7 Pricing on request Visit site
20. 20

    Sectigo Certificate Manager

    Free trial APIWeb
    5.7 Pricing on request Visit site
21. 21

    Certynx

    Paid APISelf-hostedWeb
    5.5 Pricing on request Visit site
22. 22

    GlobalSign Atlas

    Paid APIWeb
    5.5 Pricing on request Visit site
23. 23

    ServiceNow Event Management

    by ServiceNow Event Management

    Paid APILinuxWeb+1
    5.4 Pricing on request Visit site
24. 24

    TigerTrust

    Paid APILinuxSelf-hosted+2
    5.3 Pricing on request Visit site
25. 25

    Microsoft Cloud PKI

    Paid AndroidiPhoneMac+1
    4.8 From $2/user/mo (annual) Visit site
26. 26 S

    SSL.com Certificate Lifecycle Management

    Paid APIWeb
    4.8 Free plan · paid from $2,000/yr Visit site
27. 27

    ServiceNow Certificate Management

    Paid Web
    4.0 Pricing on request Visit site
28. 28 S

    Smallstep Certificate Manager

    Paid Web
    3.8 Pricing on request Visit site

A switch can make sense if you need a free certificate workflow, broader private PKI management, or integrations that match a particular deployment. Most alternatives here focus on issuing and renewing certificates rather than combining those tasks with GeoTrust’s monitoring and vulnerability scans. Compare supported certificate authorities and validation methods, deployment targets, and renewal behavior. Also decide whether you need OV or EV certificates, a graphical management interface, or a tool you operate yourself, and account for any monitoring or vulnerability work that would remain outside a narrower certificate product.

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