
Instructables
Archimedes Market
Gumroad
GrabCAD
Hackr.io
Topcoder
Upwork
Hackster is a community dedicated to learning hardware.

Numara Calculator
SpeedCrunch
Qalculate!
Numi App
Soulver
Numby
Engineering Equation Solver
Calculate in a notebook and share — from everyday math to engineering.

Which is more popular?
Based on our record, Hackster seems to be more popular. It has been mentioned 26 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | hackster.io | calcumber.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Hackster yet.
Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
HACKSTER (LV 100) - EL GRAN IMIGBOSS!! 😁 - Monster Legends Review
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Hackster and Calcumber.
Calcumber's answer:
Calcumber's answer:
Calcumber's answer:
When starting for a Master of Advances Study in Energy Systems, I was looking for a suitable state-of-the-art calculator. Then I built my own Calculator Calcumber and now the Eastern Switzerland University of Applied Sciences is using Calcumber for teaching students in thermodynamics.
Calcumber's answer:
Calcumber's answer:
HTML, CSS, TypeScript, PWA, CoolProp
Calcumber's answer:
Share your experience with using Hackster and Calcumber. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


You'll find on our website a lot of info regarding this laptop + we are working on a Hackster.io page to share our journey through devlogs :). Source: about 3 years ago
Note that I could not find much documentation on references written on these components and that I am pretty new to electronics but it's something I'm interested in and I love to experiment (I have already went through hackster.io and... Source: over 3 years ago
Something like the Gemma M0 or one of the Feather boards would work pretty well depending on what kind of connectivity you want. They both have JST connectors to connect a rechargable battery and the Gemma already has a single NeoPixel... Source: almost 4 years ago
Tracking Calcumber since Jul 2026.
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An all-in-one solution to sell your work and grow your audience.
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Qalculate! is a multiplatform multi-purpose desktop calculator.
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