Let's Encrypt
Internet Security Research Group (ISRG) · DNS & domains
Nonprofit certificate authority that issues free, automatically renewable TLS certificates through the ACME protocol
MPL-2.0FreeNov 2, 2026
DNS & domains
Registrars, DNS providers and certificate authorities.
4 tools
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In-depth entry
Cloudflare
Cloudflare, Inc. · DNS & domains
Global network offering authoritative DNS, CDN and reverse-proxy security, a domain registrar, Zero Trust access and the Workers serverless platform
ProprietaryFreemiumPaidNov 2, 2026
OVHcloud
OVH Groupe SA · Cloud & hosting providers
European cloud and hosting provider offering dedicated bare-metal servers, public and hosted private cloud, VPS, domains and web hosting from data centers in Europe, Canada and elsewhere
ProprietaryPaidUsage-basedNov 2, 2026
GoDaddy
GoDaddy Inc. · DNS & domains
Domain registrar and web-hosting company offering DNS management, SSL certificates, email and website builders, with a developer API for domains
ProprietaryPaidNov 2, 2026