Numi App - Numi is a beautiful text calculator for Mac.

Frink - A practical calculating tool, unit conversion utility, and programming language designed to make physical calculations simple.

Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

NimbleText - NimbleText is a text manipulation and code generation tool available online or as a free download.

Parsify Desktop - Extendable calculator for the 21st century ⚡

Event Viewer - Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.