Top 9 Open-Source Alternatives to PCalc

The top open-source alternatives to PCalc are Numi App, Qalculate!, and Numbr. 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
Numbr Landing Page
3

Numbr

An elegant calculator for the web
Pricing:
- Open Source
#Productivity #Calculator #Online Calculators 10 social mentions
VisionVix Apps Landing Page
4

VisionVix Apps

Simplify Your Life with Free Daily Calculators, Easily Embed our tools on Your Site or Blog
Pricing:
- Open Source
- Free
- Free Trial
#Online Calculators #Advanced Calculator #Health Calculators
Insect Landing Page
5

Insect

High precision scientific calculator with full support for physical units.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Engineering Calculator 9 social mentions
Parsify Desktop Landing Page
6

Parsify Desktop

Extendable calculator for the 21st century ⚡
Pricing:
- Open Source
#Calculator #Advanced Calculator #Online Services 1 social mentions
converter-now.web.app
7

Converter NOW

A simple, immediate and fast unit converter!
Pricing:
- Open Source
#Calculator #Knowledge Search #Monitoring Tools
Socratic Landing Page
8

Socratic

Learn and help others learn
Pricing:
- Open Source
#Education #Knowledge Search #Learning Tools
kalker.xyz
9

kalker

Kalker is a calculator that supports user-defined variables, functions, ambiguous syntax, differentiation and integration. It runs on Windows, macOS, Linux, Android, and in web browsers (with WebAssembly).
Pricing:
- Open Source
#Calculator #Advanced Calculator #Knowledge Search