
Brilliant.org
EloMath
Khan Academy
Numberthon
Project Euler
LeetCode
mathigon
Practice olympiad-style math problems and compete against other users.

FriendlyData
Infer SQL queries from plain-text questions and table headers.

Which is more popular?
Based on our record, mlsql seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | calcora.net | github.com |
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| 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 mlsql yet.
What each product offers, as listed by its team.


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Why this product is good
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Overall verdict
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Calcora.net and mlsql. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Calcora.net since Mar 2026.
I am working on a project that requires me to take user input (as English) and return SQL queries. We will eventually be working with multiple datasets, which is why the valuenet over at https://github.com/paulfitz/mlsql ended up being... Source: over 4 years ago
I found this great resource here: https://github.com/paulfitz/mlsql. Source: almost 5 years ago
When comparing Calcora.net and mlsql, 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.
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Improve math skills with ranked practice, Elo-style ratings, topic lessons, timed challenges, progress stats, rewards, and a global leaderboard.
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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.
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Complete and climb the global math leaderboard on Numberthon! Key features include ranked math matches, puzzles, and ELO style rankings.
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Project Euler is a series of challenging mathematical/computer programming problems that will...
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