zerossl
Provides SSL certificates and domain Security, Privacy & Backup with automated certificate management.
The go-to alternative to Let's Encrypt for teams that want free TLS with a GUI; paid plans unlock annual certs and automation at scale.
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ZeroSSL — SSL/TLS certificate authority with free and paid certificate management.
ZeroSSL is a full certificate authority offering free 90-day TLS certificates via ACME or a web dashboard, plus paid plans with annual certs, wildcards, and priority support. The DB mislabels it as 'Free Trial' — it actually has a permanent free tier requiring no credit card. It competes directly with Let's Encrypt but adds a visual dashboard that lowers the barrier for non-CLI users.
ZeroSSL democratises TLS by offering a genuinely free, no-card-required certificate tier with a clean dashboard — a meaningful UX improvement over Let's Encrypt's CLI-only flow. Paid tiers are reasonably priced for teams that need annual certificates and audit logs.
Free tier certs expire every 90 days requiring renewal automation; no warranty on free certs makes them unsuitable for e-commerce compliance needs. Paid tiers can get expensive at scale compared to cloud-provider-bundled TLS.
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Alternatives
DigiCert or Sectigo for OV/EV certificates with full warranty and enterprise SLAs.
Let's Encrypt via Certbot for pure CLI-based free TLS with no dashboard overhead.
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