Top 7 Open-Source Alternatives to Frink

The top open-source alternatives to Frink are Qalculate!, EngineeringPaper.xyz, and Numi App. 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.

Qalculate! Landing Page
1

Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Engineering Calculator 31 social mentions
EngineeringPaper.xyz Landing Page
2

EngineeringPaper.xyz

Online app for engineering calculations. Solves systems of equations, checks and converts units automatically, supports plotting, and allows for the creation of a link to share your work. Free and open source, no registration required.
Pricing:
- Open Source
- Free
#Technical Computing #Engineering Calculator #Numerical Computation 3 social mentions
Numi App Landing Page
3

Numi App

Numi is a beautiful text calculator for Mac.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Text Calculator 29 social mentions
Free42 Landing Page
4

Free42

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

Numbr

An elegant calculator for the web
Pricing:
- Open Source
#Productivity #Calculator #Online Calculators 10 social mentions
Math.js Landing Page
7

Math.js

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