Jenkins is one of the most popular open-source CI/CD tools, with a wide range of plugins and integrations to suit various workflows.

• Features:
  1. Pipeline as code: Define entire pipelines as code for versioning and reproducibility.
  2. Wide plugin ecosystem: Over 1,500 plugins to integrate with other tools.
  3. Extensible: Supports multiple languages and platforms.

• Common Use Cases:
  1. Automating build, test, and deployment workflows.
  2. Integrating with third-party tools and services (e.g., Docker, Kubernetes, AWS).