What is Let's Encrypt?
Who uses Let's Encrypt?
Let's Encrypt Integrations
Here are some stack decisions, common use cases and reviews by companies and developers who chose Let's Encrypt in their tech stack.
The first certs we got issued were EV SSL certificates from Comodo, but we later decided that we do not want to support the whole CA-thing anymore as they constantly get abused and take tremendous amounts of cash in exchange, so we work with Let's Encrypt since 2016.