Multi-project simplifies working with different projects in Emacs by providing support for creating, deleting, and searching with projects. Multi-project
Multi-project simplifies the switching between different projects by providing support for creating, deleting, and searching between projects. Multi-project supports interactively finding a file within a project or automatically switching the TAGS file for symbol lookup.
Add the lines below in your .emacs file to use multi-project:
Creating a New Project
The image below shows the selection of a project from the project window and then using the multi-project find-file to filter the project files.