Certbot is an open-source tool designed for automating the use of Let’s Encrypt certificates, enabling HTTPS for manually-managed websites. It provides users with a command line interface, primarily for Unix-like servers, allowing easy installation and execution. Users can generate custom commands tailored to their server's environment, ensuring a smooth setup process for SSL certificates. Certbot focuses on Domain Validation certificates, which are essential for securing web servers and various TLS applications, such as IMAPS.

Targeted at a diverse audience, including small businesses, nonprofits, and enterprises, Certbot is suitable for any organization needing reliable SSL solutions. The software offers online support and comprehensive documentation for user training. Integration capabilities with services like Keyfactor EJBCA and NGINX Unit enhance its functionality, making Certbot a versatile choice for DevOps professionals looking to secure their web applications.