
Teachable
thinkific
Podia
GoRails
Adeptivity
SQLBolt
SQLZOO
Next generation online course builder for technical people

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, CourseMaker seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | coursemaker.org | calcumber.app |
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| Platforms | ||
| Company | 2021 | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


CourseMaker is the course-building platform I wish existed when I created my online courses. For developers and technical folks, we offer the ability to work with tools you love such as markdown create beautiful code and Math. In the next few weeks, we will add the ability to create interactive...
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.


No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CourseMaker 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 CourseMaker and Calcumber. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Looks like a great book, and definitely an under-served niche! If you ever feel like converting it to a course, I'd be happy to offer you a deal over at the interactive coding course builder I run: https://coursemaker.org/. Source: about 5 years ago
LearnWorlds is a solid choice. If you're after a course platform tailored for technical courses, check out https://coursemaker.org. - Source: Hacker News / about 5 years ago
You can build your own site like this with CourseMaker[1] (disclaimer: I'm the founder). We don't have SQL support yet, but you can create interactive exercises with JS, Python, Go, Rust, C# and Java. I learned to code through these... - Source: Hacker News / over 5 years ago
Tracking Calcumber since Jul 2026.
When comparing CourseMaker and Calcumber, you can also consider the following products.

Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
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A simple but powerful notepad calculator which evaluates expressions as you type.
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Create online courses and membership sites with Thinkific and feel confident that you’ve got the easiest technology and the best support in the industry.
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SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
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Podia is your all-in-one digital storefront. The easiest way to sell online courses, memberships and downloads, no technical skills required. Try it free!
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Qalculate! is a multiplatform multi-purpose desktop calculator.
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