Dev tools · alternatives · 2026
24 alternatives to GitHub
Minimal calculator built with core web technologies
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1AD
A new calculator software cannot really bring attention (https://chachatelier.fr/chalk/) However, I wrote a full article explaining why I had to build something "new" that does not behave like usual desktop calculator softwares : TL;DR All "small" calculator softwares I know share the same design flaws. And the GUI is not the only stumbling block in their poor efficiency. Handling correctly numerical approximations - expected or not - is crucial to trust the results. It is usually not done in lightweight tools. It should. So I prove that if I could do it, OS manufacturers…
2022 · its alternatives →
- 2
Hi all, just posting an update to my previous Show HN, where I announced a side-project I worked on which was a (web version) of a multi-user, notepad style calculator: https://news.ycombinator.com/item?id=31817997 After a couple of user requests (and having a good think about it) I decided to migrate the web UI to create a Mac and Windows desktop app. After using it a little bit, I feel this is a much better experience than the webapp, and reduces a lot of the friction if I wanted to run a few small calculations. You can find the download links below:…
2022 · figr.app · its alternatives →
- 3
Create powerful, beautiful Calculator forms
2019 · convertcalculator.com · its alternatives →
- 4
Crunch numbers using functional programming!
2025 · rohanphanse.github.io · its alternatives →
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Board For GitHub▲293A webview based GitHub project app with native features
2017 · justinfincher.github.io · its alternatives →
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Simple Qt-based programming calculator. Contribute to fellerts/procal development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 11
A free-form calculator for Chrome
2022 · chromewebstore.google.com · its alternatives →
- 12
- 13AB
2020 · saasformulas.com · its alternatives →
- 14IG
I’ve always found that online calculators tend to have bad UIs, especially on mobile. Most of the calculator websites I’ve come across use outdated and inconvenient ways of inputting data, or they format the results in confusing ways. I’ve noticed that fraction calculators (especially mixed fractions) are terrible to use, even on desktop. I haven’t built one of those yet, but it’s something I’m planning to tackle soon. This is a project I’ve always wanted to work on, but I’m relatively new to this space. So far, I’ve created a collection of simple calculators focused on math and finance. I’d…
2025 · its alternatives →
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Simple tools for iOS — from the Minimalist Apps series
2025 · apps.apple.com · its alternatives →
- 17
Build website calculators with no code, just spreadsheets
2024 · calculatorstudio.co · its alternatives →
- 18
Simple Python Calculation Engine. Contribute to bsdz/calcengine development by creating an account on GitHub.
2021 · github.com · its alternatives →
- 19
The modern calculator for macOS/iOS
2020 · euclid.pr1mer.tech · its alternatives →
- 20
Build interactive web calculators from plain text. No code.
2025 · instantcalculators.ai · its alternatives →
- 21
A fast, beautifully minimal calculator built for daily flow.
Jul 2026 · calculator.parag.live · 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 →