
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

IcePanel
PlantUML
Excalidraw
Mermaid
Productivity Power Tools
SequenceDiagram.org
Graphviz
The C4 model for visualising software architecture. Context, Containers, Components, and Code.

Which is more popular?
Based on our record, HackerRank should be more popular than C4 model. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | hackerrank.com | c4model.com |
| Pricing | — | |
| Listed in |
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
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
No analysis of C4 model yet.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
Visualising software architecture with the C4 model - Simon Brown, Agile on the Beach 2019
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and C4 model. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
The C4 model is derived from physical maps: You can look at a location from a high level, like a country, and see your city in the context of other cities and countries. Then you can zoom in to a city level and see...
Recommendations tracked on public social media and blogs since March 2021.


This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
When I developed Grotto, the runtime reference implementation for the Neander language (for more details read my related blog post series), I took the liberty, as a certified software architect, of first creating a full-blown arc42... - Source: dev.to / 11 days ago
The C4 model gives software teams a hierarchy for visualizing a system: context, containers, components, and code. It works like a map with zoom levels. At the widest view, we see the system, its users, and neighboring systems. Zooming... - Source: dev.to / about 1 month ago
C4[1]? Hadn’t heard of it until now. Thanks! Really curious what the major differences are that have you preferring it over other methods / winging it. [1]: https://c4model.com/. - Source: Hacker News / about 2 months ago
When comparing HackerRank and C4 model, you can also consider the following products.

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to HackerRank or C4 model:

Collaborative modelling and diagramming tool based on the C4 model. Software architecture design made fun! 🧊
Compare IcePanel to HackerRank or C4 model:

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Compare Codility to HackerRank or C4 model:

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Compare PlantUML to HackerRank or C4 model:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to HackerRank or C4 model:

Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
Compare Excalidraw to HackerRank or C4 model: