Chef is a configuration management tool written in Ruby and Erlang. Developed by Opscode
License: Open Source
Chef is a powerful configuration management tool that employs a Ruby-based DSL, making it suitable for complex deployments, but it has a steeper learning curve and is generally slower. Ansible, on the other hand, is user-friendly with YAML for configuration, allowing for faster deployment and ease of use, but it can be less effective for intricate setups.