Top 4 Open-Source Alternatives to eCalc Scientific Calculator

Product categories

Advanced Calculator Calculator Engineering Calculator Knowledge Search Online Services Text Calculator Tool

Summary

The top open-source alternatives to eCalc Scientific Calculator are Numi App, Qalculate!, and Parsify Desktop. 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
Parsify Desktop Landing Page
3

Parsify Desktop

Extendable calculator for the 21st century ⚡
Pricing:
- Open Source
#Calculator #Advanced Calculator #Online Services 1 social mentions
Free42 Landing Page
4

Free42

Free42, an HP-42S calculator simulator
Pricing:
- Open Source
#Calculator #Knowledge Search #Advanced Calculator 6 social mentions