“Many people confuse the concepts of widgets, Web widgets, Google Gadgets (hereafter called “Gadgets”), iWidgets, and IBM® Lotus® Notes® widgets, often asking what are the differences and relationships among the five terms. In this article, we describe them through some practical examples, helping readers gain a more intuitive understanding of the five terms and an appreciation of the convenience offered by Notes widgets.”
Link: Comparing IBM Lotus Notes widgets with other widget types