
Brilliant.org
EloMath
Khan Academy
Project Euler
LeetCode
mathigon
Math Expert: Master Equations
Practice olympiad-style math problems and compete against other users.

Sublime Text
VS Code
GNU Emacs
Microsoft Visual Studio
Notepad++
Netbeans
IntelliJ IDEA
Highly configurable text editor built to enable efficient text editing

Which is more popular?
Based on our record, Vim seems to be more popular. It has been mentioned 10 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | calcora.net | vim.org |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Switzerland · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Calcora is a free platform for practicing math problems of all difficulty levels. Solve problems, maintain your streak, and compete with friends on the leaderboard. The Rules No Calculator. Solve every problem by hand. Mental math and working on paper are part of the challenge. No AI Assistance....
No description of Vim yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Vim is recommended for programmers, developers, and system administrators who require a highly efficient and customizable text editing experience. It is especially useful for those who work extensively in terminal environments or need a quick, resource-light text editor for remote systems.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Calcora.net and Vim. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Calcora.net yet. Be the first one to post
Vim offers a variety of features like split windows, macros, and extensive customization options. It has a steep learning curve, but once you master it, you’ll be amazed at the speed and productivity it brings to your...
It’s tough to say which developers would enjoy Vim as a text editor. It’s an old system with an outdated interface. Yet, it still has the charm and powerful feature-set that the average developer needs. I would...
The entire installation process is perfectly documented on their Sourceforge page, which you must definitely pay a visit. There is another standalone Vim software, known as the gVim that brings a GUI-based interface...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Calcora.net since Mar 2026.
Lua is quite small, encouraging distros to include it. The ubuntu gvim has, and the gvim AppImage linked from vim.org does. The default Makefile from github is set up to not include it, but you can uncomment one line there to get it. Source: over 3 years ago
I've not used vimwiki locally (tho I'm old enough to remember the Vim wiki on vim.org :), but I think what you are wanting to do is extend vimwiki's syntax file. I presume it installs one at $VIMRUNTIM/syntax or or ~/.vim/syntax. If... Source: almost 4 years ago
Vim.org has 242k total visitors, tailwindcss.com has 4.4m, planetscale.com has 412k, jpl.nasa.gov has 2.6m, all built with Tailwind, all several years younger than Vim's website. Unnecessary comparison, unnecessary defence. It's a... Source: almost 4 years ago
When comparing Calcora.net and Vim, you can also consider the following products.

Brilliant - Understand concepts and build your problem solving skills with thousands of free problems and examples in math, science, and engineering.
Compare Brilliant.org to Calcora.net or Vim:

Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
Compare Sublime Text to Calcora.net or Vim:

Improve math skills with ranked practice, Elo-style ratings, topic lessons, timed challenges, progress stats, rewards, and a global leaderboard.
Compare EloMath to Calcora.net or Vim:

Build and debug modern web and cloud applications, by Microsoft
Compare VS Code to Calcora.net or Vim:

Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.
Compare Khan Academy to Calcora.net or Vim:

GNU Emacs is an extensible, customizable text editor—and more.
Compare GNU Emacs to Calcora.net or Vim: