Consolidate.js offers a unified interface to template engines. It supports popular options such as Handlebars, Mustache, Swig, and more, normalizing their APIs for easy swapping of template libraries. This package simplifies server-side templating in Node.js applications by abstracting away engine-specific syntax and configurations. Developers can choose any supported engine without significant code changes, facilitating flexibility and maintainability across projects. It promotes a consistent workflow and reduces boilerplate for templating tasks, improving productivity.