Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands.




The best Certificate Authority alternative to DigiCert is Let's Encrypt, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to DigiCert and seven of them are Certificate Authorities so hopefully you can find a suitable replacement. Other interesting Certificate Authority alternatives to DigiCert are Buypass, ZeroSSL, CAcert and Cheap SSL Shop.
Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands.




Buypass is established as a major player in securing transactions with electronic IDs in Norway. We are a trusted European Certificate Authority (CA). Large public enterprises including the majority of the Norwegian health sector, municipal services and the Norwegian Police is...
FREE SSL certificates issued instantly online with Free SSL Certificate Wizard. Downloadable client for all platforms and Docker image available. Zero system requirements, zero technical knowledge, zero cost.
CAcert.org is a community-driven Certificate Authority that issues certificates to the public at large for free.
Cheap SSL Shop is globally and authorized reseller of trusted SSL certificate authorities namely: Comodo, Symantec, GeoTrust, RapidSSL, Thawte, and GlobalSign. Cheap SSL Shop offers various types of SSL certificates like Domain Validation, Organization Validation, Extended...



Actalis is a European certification authority that provides SSL/TLS certificates for websites and online services. It offers Domain Validation (DV), Organization Validation (OV) and Extended Validation (EV) certificates, plus ACME support for automated DV certificate issuance...



Guarantee online customer security with SSL certificates from GeoTrust. Purchase in bulk, manage multiple certificates & become your own Certificate Authority.
