ng2-ui/ng2-overlay

This project provides a general solution for creating overlay elements in Angular 2+ applications, offering features like positioning overlays relative to specific elements or the window. It's designed for Angular developers who need flexible, reusable overlay components such as loading indicators, tooltips, or modal-like elements. The library is unmaintained but open to contributions, making it suitable for developers willing to engage with the community or adapt the code for their needs.