DigiCert is one of the world's largest enterprise certificate authorities with ~35% market share, serving 80%+ of the Fortune 100. It offers DV/OV/EV SSL/TLS certificates, code signing, and PKI solutions, known for its powerful CertCentral management platform and API automation.
Sectigo (formerly Comodo CA) is the world's largest commercial certificate authority with over 100 million certificates issued across 150+ countries, offering cost-effective SSL certificates, the SCM management platform, and comprehensive IoT/PKI solutions.
Let's Encrypt is the world's largest free, open certificate authority operated by ISRG, serving 300M+ active websites with 70%+ of global CA issuance. Uses the ACME protocol for fully automated 90-day DV TLS certificate lifecycle management.
Sectigo SSL Store (sectigostore.com) is the official authorized reseller platform for Sectigo SSL certificates. Prices are 30%-50% lower than DigiCert with DV certificates starting at $49.95/year, auto-issued in 10 minutes — ideal for budget-conscious SMBs and individual users.
SSLPoint is a multi-brand SSL certificate online marketplace, brokering certificates from Sectigo, DigiCert, GlobalSign, and other top CAs with bulk discounts up to 40% and unified management.
SSL Mate (founded 2014) is a DevOps-focused SSL automation SaaS platform that leverages Certbot/ACME for end-to-end certificate lifecycle management across Sectigo, DigiCert, and Let's Encrypt — covering ordering, deployment, monitoring, and renewal.
Sectigo SSL is the SSL certificate product line of Sectigo (formerly Comodo CA), offering the PositiveSSL budget DV entry point and full DV/OV/EV/Wildcard coverage — the most cost-effective commercial CA choice.
Namecheap SSL is the SSL certificate product line resold by Namecheap (founded 2000, Phoenix AZ), the world's second-largest domain registrar, featuring Sectigo PositiveSSL from $5/yr, multi-brand CA options, and free reissuance — the top choice for budget-conscious SSL buyers.
GoDaddy SSL certificates are GoDaddy-branded SSL products deeply integrated with GoDaddy hosting, offering one-click installation and full DV/OV/EV coverage from $7/mo first year, ideal for users already managing domains and hosting with GoDaddy.
Founded in 1998, Comodo CA (now operating under the Sectigo brand) is a globally recognized SSL certificate authority known for its PositiveSSL and EssentialSSL product lines, issuing over 50,000 certificates daily with industry-leading affordability.
Thawte is a well-known certificate authority founded in 1995 in South Africa, now a DigiCert sub-brand offering full DV/OV/EV SSL and code signing certificates, with OV starting at $80/yr and unique brand heritage in African SSL markets.