AWS Certificate Manager vs Let's Encrypt: What are the differences?
Developers describe AWS Certificate Manager as "A service that lets you easily provision, manage, and deploy Secure Sockets Layer/Transport Layer Security certificates". It removes the time-consuming manual process of purchasing, uploading, and renewing SSL/TLS certificates. With this service, you can quickly request a certificate, deploy it on AWS resources. On the other hand, Let's Encrypt is detailed as "A free, automated, and open Certificate Authority (CA)". Let’s Encrypt is a free, automated, and open certificate authority brought to you by the non-profit Internet Security Research Group (ISRG).
AWS Certificate Manager and Let's Encrypt are primarily classified as "Certificate Authority" and "Security" tools respectively.
Teleport, Flat, and Learnbeat are some of the popular companies that use Let's Encrypt, whereas AWS Certificate Manager is used by kako.pk, Shelf, and PTT Alertor. Let's Encrypt has a broader approval, being mentioned in 390 company stacks & 845 developers stacks; compared to AWS Certificate Manager, which is listed in 14 company stacks and 7 developer stacks.