Top 8 Open-Source Alternatives to InstaCalc

Product categories

Advanced Calculator Calculator Cryptocurrencies Data Science Notebooks Development Tools Engineering Calculator IDE Knowledge Search Monitoring Tools Note Taking Online Calculators Productivity

Summary

The top open-source alternatives to InstaCalc are Numi App, Qalculate!, and NumPad. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Numi App Landing Page
1

Numi App

Numi is a beautiful text calculator for Mac.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Text Calculator 29 social mentions
Qalculate! Landing Page
2

Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Engineering Calculator 31 social mentions
NumPad Landing Page
3

NumPad

A web-based text editor with a powerful built-in calculator
Pricing:
- Open Source
#Calculator #Productivity #Unit Conversion 4 social mentions
Numbr Landing Page
4

Numbr

An elegant calculator for the web
Pricing:
- Open Source
#Productivity #Calculator #Online Calculators 10 social mentions
Math.js Landing Page
5

Math.js

Math.js is an extensive math library for JavaScript and Node.js.
Pricing:
- Open Source
#Calculator #Development Tools #Productivity 19 social mentions
Calculist Landing Page
6

Calculist

The open-source, web-based thinking tool that facilitates effective thinking for solving problems.
Pricing:
- Open Source
- Freemium
- $4.0 / Monthly
#Data Science Notebooks #Note Taking #Personal Notes 1 social mentions
UnitConversion Landing Page
7

UnitConversion

An all-in-one unit converter in 6 languages
Pricing:
- Open Source
#Online Calculators #Productivity #Calculator
converter-now.web.app
8

Converter NOW

A simple, immediate and fast unit converter!
Pricing:
- Open Source
#Calculator #Knowledge Search #Monitoring Tools