
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.

Logseq
Automerge
Org mode
organice
Todo.txt
Yjs
Obsidian
Web-based Project management and task planning for people who hate project management and task planning. For individuals, teams and small businesses.

Which is more popular?
Based on our record, CheckIO should be more popular than Thymer. 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 | thymer.com |
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What each product offers, as listed by its team.


Possible disadvantages
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 Thymer yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
Thymer Review: A Simple & Fast Project Management App
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and Thymer. 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...
We have no reviews of Thymer yet. Be the first one to post
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
We're building a collaborative IDE but for notes/tasks as a local-first web app [1], built to be malleable with plugins. In terms of tradeoffs we're taking a middle road I guess: the app is malleable, but plugins stay contained within... - Source: Hacker News / 26 days ago
We're building a multiplayer IDE [1] but for tasks/planning where docs needs to be trees/graphs (to support outlining, refs, transclusions and so on) We can't just merge any type of operation by replaying unconditionally, because that... - Source: Hacker News / about 2 months ago
We're building a new multiplayer IDE but for docs/tasks [1]. Local-first, real-time collaborative and end-to-end-encrypted sync. Not open source but self-hostable with a single binary and hackable with plugins (custom properties, views,... - Source: Hacker News / 10 months ago
When comparing CheckIO and Thymer, you can also consider the following products.


Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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Download and solve practice problems in over 30 different languages.
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A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.
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Practice and level up your development skills and prepare for technical interviews.
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Org: an Emacs Mode for Notes, Planning, and Authoring
Compare Org mode to CheckIO or Thymer: