
D3.js
Vizzu
Jupyter
Vega-Lite
nivo
Looker
Microsoft Power BI
Interactive code examples/posts

HackerRank
CodeSignal
iMocha
TestGorilla
HackerEarth
mettl
DevSkiller
Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Which is more popular?
Based on our record, Observable seems to be a lot more popular than Codility. While we know about 347 links to Observable, we've tracked only 2 mentions of Codility.
Website, pricing, platforms and company facts side by side.
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| Website | observablehq.com | codility.com |
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| Listed in |
In their own words, as submitted to SaaSHub.


No description of Observable yet.
The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....
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 Codility yet.
Walkthroughs and reviews on video.
Observable Overview
More videos
An Introduction to Codility: The Tech Hiring Platform for Engineering Teams
How often each product is chosen within a category, 0–100% relative to the other.


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


Observable is a Grafana alternative that enables users to visualize data via charts and dashboards using code.
A few options were disregarded from the start due to a hefty price tag, these were Looker, Tableau, Power BI, GoodData. A few options like Trevor.io, Preset, Observable were disregarded as they did not seem to fit our...
Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.
Recommendations tracked on public social media and blogs since March 2021.


Holy hell, this is great. I once made a little tool for getting more intuitive spatial scales for things in the universe at https://observablehq.com/@ikesau/scale-to-the-universe I feel like you could do something similar for these sorts... - Source: Hacker News / 22 days ago
Folks may find https://observablehq.com/@fil/poisson-distribution-generators useful. - Source: Hacker News / about 1 month ago
That's because Gaussian splats are ellipses without any texture of their own (more or less), missing any texture that an actual brush stroke would have. Because the ellipses are so elongated in the finer details it feels like layered... - Source: Hacker News / 2 months ago
- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
When comparing Observable and Codility, you can also consider the following products.

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
Compare D3.js to Observable or Codility:

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Compare HackerRank to Observable or Codility:

Vizzu lets you use animated charts to share insights in complex data sets as self-explanatory stories.
Compare Vizzu to Observable or Codility:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to Observable or Codility:

Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
Compare Jupyter to Observable or Codility:
