ProGram - CLI based, self-hosted Instagram-esque gallery
GPACalculator.io - The easiest way to calculate your GPA
Like 2 Have It - Create an Instagram gallery for your store
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.
GitShowcase - Plug and play portfolio for developers
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.