Terminal, a Ruby library used for rendering job logs, has been open-sourced, allowing users to transform arbitrary shell output into aesthetically pleasing HTML with ease. By using a straightforward API, users can integrate Terminal into their tasks, and it also includes a command-line utility for testing output directly from the terminal. Users can pipe outputs such as rspec results into Terminal, and with the --preview flag, they can view the rendered HTML in a browser. Terminal is particularly useful for debugging job logs in Buildkite, as it can help identify issues by rendering log content fetched from Buildkite's API, with the added encouragement for users to contribute by submitting issues or pull requests. More information about its usage and development can be found on its GitHub repository.