GlobalSign SSL is the SSL certificate product line of GlobalSign (GMO Group Japan), founded in 1996. It issues 100,000+ certificates daily with Atlas management platform and ACME auto-renewal, leading the IoT device certificate segment.
Entrust SSL is the SSL/TLS certificate product line of Entrust (founded 1994, Minneapolis MN USA). All certificates are signed via FIPS 140-2 Level 3 nShield HSM, serving 150+ countries as the preferred SSL solution for government and financial institutions.
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.
Click SSL is an online SSL certificate platform offering Sectigo, DigiCert, GeoTrust brands with 1-minute purchase-to-issuance, instant DV activation, multi-language UI, and multiple payment options.
CheapSSLWeb is a Canada-based SSL certificate reseller offering Sectigo, DigiCert, GeoTrust brands at 20%-50% below official pricing, with instant DV issuance and a simple management panel.
Cheap SSL Security is a US-based SSL certificate reseller offering Sectigo, GeoTrust, and other major brands at 30%-50% below official pricing, with free unlimited reissuance and 24/7 technical support.
Cheap SSL Shop is a budget-focused SSL certificate online store offering DV certificates from $3.50/year across Sectigo, GeoTrust, and RapidSSL brands — ideal for cost-conscious personal site owners and small businesses.
Certer is an Indian online SSL certificate procurement platform offering DV/OV/EV certificates from DigiCert, Sectigo and GlobalSign with 5-minute DV issuance and Indian Rupee payment support.
Buypass SSL is the SSL certificate product line of the Buypass Group, offering free 180-day DV SSL certificates with ACME auto-renewal — the most popular free CA alternative to Let's Encrypt.
AlphaSSL is GlobalSign's entry-level SSL certificate brand, providing DV and OV certificates backed by GlobalSign's root trust, with prices from $49.95/year for fast HTTPS deployment.
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.
SSLS (SSL.com) is a US-based certificate authority with its own root infrastructure, offering DV/OV/EV SSL/TLS, code signing, document signing, and email certificates with ACME automation and a Chinese management panel — at 30%-50% below top-tier CA pricing.
RapidSSL is DigiCert's most affordable entry-level SSL brand, with base DV certificates from $8/yr, supporting one-click 5-10 minute auto-validation via DigiCert's trusted root chain, ideal for personal websites and dev/test environments needing basic HTTPS encryption.
IdenTrust was founded in 1999, headquartered in Salt Lake City, Utah, USA. It is a globally recognized root certificate trust bridge provider. Its root certificate is pre-installed in 95%+ of browsers and operating systems, providing trust anchors for hundreds of third-party CAs through cross-signature.
GeoTrust is DigiCert's mid-range SSL certificate brand featuring QuickSSL Premium rapid issuance and full DV/OV/EV coverage starting at $7/yr, ideal for small to medium websites needing brand trust below DigiCert's premium tier.
Founded in 1994 and headquartered in Minneapolis, Minnesota, Entrust is a leading enterprise digital security and PKI solutions provider covering SSL/TLS certificates, HSM hardware security modules, digital signatures, and IoT certificate management, serving over 10,000 business clients worldwide.
Comodo SSL is a globally recognized budget SSL certificate brand whose CA business merged into Sectigo, with over 100 million certificates issued and PositiveSSL DV from $5/year.
Buypass is a Norway-based Certificate Authority (founded 1968) offering free 180-day SSL certificates via ACME automation, alongside the Norwegian government e-ID system (Buypass ID) and eIDAS-qualified digital signatures.
SSL.com is a Houston Texas-based Certificate Authority founded in 2002, offering affordable DV/OV/EV SSL certificates from $39.95/yr, S/MIME, code signing, and enterprise PKI solutions.
GoGetSSL is a Latvia-based SSL certificate reseller aggregating 50+ CA brands, offering 30%-60% savings vs official pricing, free unlimited reissuance, and a 30-day money-back guarantee.
Founded in 2003, CAcert is a community-driven open-source certificate authority offering free SSL/TLS server certificates, code signing certificates, and email certificates with fully transparent operations.