UI Cloud - The largest user interface design database in the world
GPACalculator.io - The easiest way to calculate your GPA
Sajari - Sajari is a machine learning powered search and matching service.
calculator.net - Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Searchbase - Build Search UIs with drag and drop
Grade Calculator - Calculate your grades with a simple and free to use Grade Calculator. Make calculation in a few clicks and save the results in PDF format.