Cartography vs Let's Encrypt: What are the differences?

Developers describe Cartography as "A tool that consolidates infrastructure assets and the relationships between them". Aims to enable a broad set of exploration and automation scenarios. It is particularly good at exposing otherwise hidden dependency relationships between your service's assets so that you may validate assumptions about security risks. 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).

Cartography and Let's Encrypt belong to "Security" category of the tech stack.

Cartography is an open source tool with 1.01K GitHub stars and 50 GitHub forks. Here's a link to Cartography's open source repository on GitHub.