Let's Encrypt
7.6#3 in public key infrastructure softwareFree planFree planWebAPILinuxmacOS
VisitLet's Encrypt vs TigerTrust
TigerTrust
5.8#23 in certificate management softwareWebAPILinuxSelf-hosted
VisitWhat both publish
| Fact | Let's Encrypt | TigerTrust |
|---|---|---|
| Automation | The ACME protocol verifies control of a domain and is used to issue certificates; clients can automate certificate management and renewal. | The platform automates certificate renewal, deployment, and revocation using lifecycle policies. |
| Headquarters | LinkedIn lists San Francisco, California as ISRG headquarters. | 244 Harrison Street, San Francisco, CA 94105, United States |
| Integrations | Hosting providers can obtain and manage certificates for customers through their own ACME clients. | The integrations page lists 50+ integrations, including AWS, Azure, GCP, Kubernetes, Okta, Slack, and Datadog. |
| Support | Let’s Encrypt does not offer direct subscriber support and points users to its documentation and community support forums. | The support page lists standard email support with a 48-hour response time, professional 24-hour response, and enterprise 24/7 phone support with a one-hour response time. |
Let's Encrypt plans
- Let's Encrypt certificatesFree
- Short-lived certificatesFree
TigerTrust plans
- CustomPriced on request
- EnterprisePriced on request
- ProfessionalPriced on request
- StarterPriced on request
Pick Let's Encrypt if…
Let's Encrypt serves people and organizations worldwide who need certificates for domain-named web, mail, or FTP servers. It suits users able to manage certificates through ACME clients and consult documentation or community forums when needed.
Pick TigerTrust if…
You want what its maker publishes above — check its page for the details.