Pry Financials - Finance for Founders

Omni Calculator - Helping you make rational decisions, one calculation at a time.

Causal App - Causal replaces your spreadsheets and slide decks with a better way to perform calculations, visualise data, and communicate with numbers. Sign up for free.

Numbr - An elegant calculator for the web

Finmark - Financial planning software for startups

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.