HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.

Jace.NET is a calculation engine for the .NET platform.

Agile Dashboarding, anywhere

gojacego is a calculation engine for Golang.

A metadata store database for GuinsooLab stack.

Captain is a C program that calculates possible moves of ships.

a jace transform for transformalize

Resistance calculator for bringing a given input voltage down to one or more desired output voltages.