
Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Google's Python Class
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

DBDiagram.io
Azimutt
MySQL Workbench
DbSchema
PopSQL
ChartDB
LucidChart
Easy database diagrams. Create, visualize and collaborate on your database entity relationship diagrams.
Which is more popular?
Based on our record, CheckIO should be more popular than DrawSQL. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | drawsql.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | 2018 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
DrawSQL is a simple, beautiful database diagram editor for developers to 🚧 create, 💬 collaborate and 👀 visualize their entity relationship diagrams.
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
No analysis of DrawSQL yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
DrawSQL: Create and visualize beautiful database entity relationship diagrams.
How often each product is chosen within a category, 0–100% relative to the other.


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


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
Web tools like dbdiagram.io, DrawSQL, and SqlDBM are ideal for remote teams, quick access, and easy sharing. They run in the browser, require no setup, and often include real-time collaboration. Desktop tools like...
DrawSQL is a fast and user-friendly tool designed for creating, visualizing, and designing ER diagrams. It enables users to analyze relationships among database objects and generate SQL (DDL) scripts to convert...
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
With this, I went for designing the db. I went to http://drawsql.app/ and created my first draft. Then exported the DDL and did a bit of back and forth with AI. This is the final draft of the database:. - Source: dev.to / 10 months ago
So I started designing the DB using this cool tool. The project has 2 tables, users and categories . The user can create many categories as he wants so the first approach I took was creating a third table, a union table to store user_id... - Source: dev.to / over 1 year ago
Once you have generated the SQL code, you can convert it into a relational schema (the graphical table model) using DrawSQL. This tool offers:. - Source: dev.to / over 1 year ago
When comparing CheckIO and DrawSQL, you can also consider the following products.


Free database diagrams designer for analysts & developers 🛠
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Download and solve practice problems in over 30 different languages.
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Next-Gen ERD to Design, Explore and Document real world databases (big and messy ones ^^)
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Practice and level up your development skills and prepare for technical interviews.
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MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
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