Let's Encrypt
letsencrypt.orgA nonprofit providing free TLS certificates to more than 700M websites.
Securitytlssslcertificateshttpscertificate-authorityopen-sourcenonprofit
About
Let's Encrypt is a free, automated, and open Certificate Authority operated by the nonprofit Internet Security Research Group (ISRG). It issues TLS/SSL certificates to websites at no cost, enabling HTTPS encryption through the ACME protocol. The project secures over 700 million websites worldwide and is funded by donations and sponsorships.
Problem
Obtaining and managing TLS certificates for HTTPS encryption has historically been costly and complex.
For
website owners and developers who need free SSL/TLS certificates
How it works
Website owners use ACME protocol clients to automatically request, validate domain control, and install free TLS certificates issued by Let's Encrypt.
Business model
free
Status
launched
Company
Internet Security Research Group (ISRG)