Let's Encrypt vs Spring Security: What are the differences?
What is Let's Encrypt? 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).
What is Spring Security? A powerful and highly customizable authentication and access-control framework. It is a framework that focuses on providing both authentication and authorization to Java applications. The real power of Spring Security is found in how easily it can be extended to meet custom requirements.
Let's Encrypt and Spring Security are primarily classified as "Security" and "User Management and Authentication" tools respectively.
Spring Security is an open source tool with 3.63K GitHub stars and 3.2K GitHub forks. Here's a link to Spring Security's open source repository on GitHub.
Teleport, Flat, and Learnbeat are some of the popular companies that use Let's Encrypt, whereas Spring Security is used by Monkey Exchange, Debut, and Monbanquet.fr. Let's Encrypt has a broader approval, being mentioned in 269 company stacks & 138 developers stacks; compared to Spring Security, which is listed in 12 company stacks and 9 developer stacks.