Omni Calculator - Helping you make rational decisions, one calculation at a time.
Numi App - Numi is a beautiful text calculator for Mac.
Numbr - An elegant calculator for the web
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.
Parsify Desktop - Extendable calculator for the 21st century ⚡
Pry Financials - Finance for Founders