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Top 3 Open-Source Alternatives to errProof

Insect Qalculate! Numi App

Product categories

Advanced Calculator Calculator Engineering Calculator Knowledge Search Text Calculator

Summary

The top open-source alternatives to errProof are Insect, Qalculate!, 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.
  1. Insect Landing Page
    Insect Landing Page
    1

    Insect

    High precision scientific calculator with full support for physical units.
    Pricing:
    • Open Source

    #Calculator #Advanced Calculator #Engineering Calculator 9 social mentions

  2. Qalculate! Landing Page
    Qalculate! Landing Page
    2

    Qalculate!

    Qalculate! is a multiplatform multi-purpose desktop calculator.
    Pricing:
    • Open Source

    #Calculator #Advanced Calculator #Engineering Calculator 31 social mentions

  3. Numi App Landing Page
    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

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