DigiCert Alternatives
7 ssl & tls certificates tools that compete with DigiCert, ranked by community rating. Side-by-side comparisons included for every pick.
- 1
GlobalSign is an enterprise CA providing SSL/TLS, code signing, email signing, and document signing certificates. One-click issuance and 24/7 support. Used globally for compliance.
Best for: Enterprises needing a PKI partner for SSL plus code signing and document signing compliance
- 2
Certbot is the official ACME client for Let's Encrypt certificates. Automates certificate issuance and renewal for Nginx, Apache, and standalone mode on Linux servers.
Best for: System administrators who want automated Let's Encrypt certificate management on Linux servers
- 3
Sectigo (formerly Comodo CA) is one of the largest SSL certificate providers. Affordable OV and EV certificates from $20/year, wildcard SSL, and multi-domain certificates. Good reseller program.
Best for: Web agencies and hosting companies who want affordable OV/EV SSL certificates for client sites
- 4
SSL.com provides affordable DV, OV, and EV SSL certificates with 24/7 support. Good alternative to Comodo/Sectigo with competitive pricing and a clean management portal.
Best for: Businesses needing affordable OV or EV certificates with 24/7 support and simple management
- 5
acme.sh is a pure shell ACME client for automating SSL certificates from Let's Encrypt, ZeroSSL, and other ACME-compatible CAs. Lightweight and works on any Unix system.
Best for: Linux sysadmins who want a lightweight ACME client that works on minimal systems without Python
- 6
Let's Encrypt is a free, automated, and open certificate authority that provides SSL/TLS certificates at no cost. Powers HTTPS on 300M+ websites. ACME protocol enables automatic renewal.
Best for: Every developer and business that needs SSL — the baseline choice for free automated HTTPS
- 7
ZeroSSL provides free SSL certificates as an alternative to Let's Encrypt. Also offers paid OV and EV certificates. REST API, ACME support, and monitoring. 90-day free certs.
Best for: Developers who want a Let's Encrypt alternative for CA diversification or need OV/EV certificates
Why compare DigiCert with these tools?
Every tool on this page shares DigiCert's core ssl & tls certificates use case, so switching is usually straightforward. Click any “DigiCertvs X” link to see pricing, feature, and rating differences side-by-side.
Stay in the loop
Get weekly updates on the best new AI tools, deals, and comparisons.
No spam. Unsubscribe anytime.