AI · alternatives · 2026

24 alternatives to Caligator
An open-source calculator & convertor that thinks like you
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Caligator launched in 2019; newer entries below may have overtaken it.
- 1

Create powerful, beautiful Calculator forms
2019 · convertcalculator.com · its alternatives →
- 2

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- 4CA
2021 · mkhan45.github.io · its alternatives →
- 5

A free-form calculator for Chrome
2022 · chromewebstore.google.com · its alternatives →
- 6
Omni Calculator▲234Over 350 calculators in one place 🤓
2018 · omnicalculator.com · its alternatives →
- 7

- 8
kalker▲70A calculator that supports math syntax, complex numbers, etc
2021 · kalker.xyz · its alternatives →
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- 11
CalcMate▲88calculate numbers, dates, units within notes
2023 · accounts.google.com · its alternatives →
- 12
Evaluator▲107A simple calculator app for macOS and Windows
2019 · evaluator.link · its alternatives →
- 13

Start building the future of your company, today. Create powerful on brand calculators, lead generation forms and apps that automate your marketing and sales processes.
2019 · convertcalculator.co · its alternatives →
- 14
CalcVerter▲17Calculator & Converter & large selection of tools & features
2025 · apps.apple.com · its alternatives →
- 15

- 16

40+ calculators and unit converters for everyday use
2018 · apps.apple.com · its alternatives →
- 17

Simple, fast, reliable unit conversion.
2022 · conversioncalculator.net · its alternatives →
- 18

calculator,Cooking, Weight, Length, Speed, Currency, Volume
2021 · play.google.com · its alternatives →
- 19
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- 21

Fast, free & privacy-focused online calculator suite
Jul 2026 · flashcalculator.pages.dev · its alternatives →
- 22

Calculator - Currency Converter for Android
2018 · play.google.com · its alternatives →
- 23

AI-powered multilingual unit conversion tool
2025 · ultraconverter.org · its alternatives →
- 24

Your one-stop solution for daily calculations & conversions.
2025 · fluitionsphere.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →