Software Alternatives & Startups

GoJS VS Codility

Compare GoJS VS Codility and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

GoJS logo GoJS

GoJS is a JavaScript library for building interactive diagrams on HTML web pages. Build apps with flowcharts, org charts, BPMN, UML, modeling, and other visual graph types.

Codility logo Codility

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
  • GoJS Landing page
    Landing page //
    2023-03-21
  • Codility Landing page
    Landing page //
    2021-07-20

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.

CodeEvent - Assess thousands of candidates at a time via technical recruiting events and find the best talent faster.

GoJS features and specs

  • Rich Feature Set
    GoJS offers a comprehensive set of features designed for creating interactive diagrams, charts, and complex visualizations. This includes node and link modeling, custom styling, data binding, automatic layouts, and more.
  • Extensive Documentation
    The library is well-documented, providing developers with thorough guides, a detailed API reference, and numerous examples to assist in the implementation and troubleshooting of applications.
  • High Performance
    GoJS is optimized for performance, enabling the creation of responsive web applications that can handle a large number of nodes and complex interactions efficiently.
  • Flexibility and Customization
    GoJS offers great flexibility, allowing developers to customize the appearance and behavior of diagrams entirely, which makes it suitable for a wide range of use cases.
  • Active Support and Community
    The GoJS team provides active support to users through their forum and is responsive to issues and feature requests. This is complemented by a growing community of users sharing insights and solutions.

Possible disadvantages of GoJS

  • Commercial Licensing
    GoJS is a commercial product, and while it offers a free trial, a license is required for sustained use. This might be a constraint for projects with limited budgets.
  • Steep Learning Curve
    Due to its extensive capabilities and myriad of options, there can be a steep learning curve for developers new to GoJS to understand and effectively use all its features.
  • Complexity for Simple Diagrams
    While GoJS is powerful for complex diagrams, it might be considered overkill for simpler visualizations, where a lightweight library might suffice.
  • Browser Compatibility
    Although modern browsers are generally supported, there might be some compatibility issues or performance differences to manage when targeting older or less common browsers.
  • File Size
    The library's comprehensive feature set comes with a relatively large file size, which could impact loading times, particularly in environments with limited bandwidth.

Codility features and specs

  • Automated Assessment
    Codility provides automated coding assessments that save time for both recruiters and candidates by quickly identifying technical abilities.
  • Standardized Testing
    Codility offers standardized tests, ensuring evaluations are consistent and unbiased across all candidates.
  • Diverse Question Bank
    The platform has a large repository of coding problems that cover a wide range of topics and difficulty levels, catering to various roles and expertise levels.
  • Real-Time Code Execution
    Codility allows for real-time code execution and validation, enabling candidates to see the results of their code immediately.
  • Customizable Tests
    Recruiters can create custom tests tailored to the specific needs of their company or position, making the assessments more relevant.
  • Detailed Reports
    Codility provides detailed reports and analytics on candidate performance, helping hiring managers to make data-driven decisions.
  • Integration Capabilities
    The platform integrates with various Applicant Tracking Systems (ATS) and other HR tools, streamlining the recruiting process.

Possible disadvantages of Codility

  • Cost
    Codility can be relatively expensive, especially for small companies or startups with limited recruitment budgets.
  • Learning Curve
    There might be a learning curve for both recruiters and candidates to get accustomed to the platform and its features.
  • Language Limitations
    While Codility supports multiple programming languages, some niche or less commonly used languages may not be available.
  • Potential Stress for Candidates
    Automated assessments can induce stress for candidates, which might not accurately reflect their true abilities in a real-world setting.
  • Internet Connection Dependency
    A stable internet connection is required to complete assessments, which can be a limitation in areas with unreliable internet access.
  • Limited Collaboration Features
    Codility's focus on individual assessments means it has limited support for evaluating collaborative or team-based coding skills.
  • Algorithm Focus
    The platform often emphasizes algorithmic problem-solving, which may not fully represent the day-to-day coding skills required for certain positions.

Analysis of GoJS

Overall verdict

  • GoJS is considered a good choice for developers needing a versatile and feature-rich library for developing complex diagramming applications. Its performance, flexibility, and extensive support make it a reliable tool for both small and large-scale projects.

Why this product is good

  • GoJS is widely regarded as a powerful JavaScript and TypeScript library for building interactive diagrams and graphs. It offers a comprehensive set of features, including customizable templates, support for a variety of diagram types, and intuitive drag-and-drop functionality. The library is optimized for performance with large datasets and provides a robust API for creating complex visual representations. It also boasts thorough documentation and a range of examples to help developers get started quickly.

Recommended for

  • Developers working on data visualization apps
  • Teams creating interactive diagrams or flowcharts
  • Projects requiring complex and scalable diagram solutions
  • Organizations needing customizable and high-performance diagram libraries

GoJS videos

GoJS in 12 Minutes: JavaScript Diagramming Library Tutorial

More videos:

  • Tutorial - What's in a GoJS JavaScript Application? | GoJS Beginner Tutorial #1
  • Review - [GOJS] Design Patterns em Javascript

Codility videos

An Introduction to Codility: The Tech Hiring Platform for Engineering Teams

Category Popularity

0-100% (relative to GoJS and Codility)
Javascript UI Libraries
100 100%
0% 0
Hiring And Recruitment
0 0%
100% 100
Flowcharts
100 100%
0% 0
Online Learning
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare GoJS and Codility

GoJS Reviews

20+ JavaScript libraries to draw your own diagrams (2022 edition)
GoJS offers many advanced features for user interactivity such as drag-and-drop, copy-and-paste, transactional state and undo management, palettes, overviews, data-bound models, event handlers, and an extensible tool system for custom operations. They provide over 150 interactive samples to help you get started with diagrams such as BPMN, flowchart, state chart, visual...

Codility Reviews

Examining Top 22 Alternatives to LeetCode
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.
Source: www.inven.ai

Social recommendations and mentions

Based on our record, GoJS should be more popular than Codility. It has been mentiond 13 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

GoJS mentions (13)

  • Ask HN: What do you use to create diagrams?
    Well I make https://gojs.net, so I just use the GoJS diagramming library to make diagrams :D Of course, its made for developers trying to make applications, not end users. - Source: Hacker News / over 1 year ago
  • Ask HN: What is the best software to visualize a graph with a billion nodes?
    My library (https://gojs.net) can do that easily. Give it a look, and if you think the price is acceptable for your project, contact us and we can make you a proof-of-concept. - Source: Hacker News / about 2 years ago
  • Your 14-Day Free Trial Ain't Gonna Cut It
    If you click on their username, it takes you to their profile. https://news.ycombinator.com/user?id=simonsarris. - Source: Hacker News / over 2 years ago
  • Burning money on paid ads for a dev tool – what we've learned
    Have spent six figures yearly on ads, mostly for reach for the developer-focused diagram library GoJS (https://gojs.net) > Each experiment will need ~$500 and 2 weeks I would add a zero if you want serious data. I would also double the timescale. $5,000 over 4 weeks I second the uselessness of Google Display, it might look like conversions numbers are good but they are 100% too good to be true. As soon as you look... - Source: Hacker News / almost 3 years ago
  • Any Ideas How to Create a Graph Builder UI in React?
    Used goJS in one project and konva in another. Source: over 3 years ago
View more

Codility mentions (2)

  • How to Hire Mobile App Developers
    - 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 the ones created by Codility or HackerRank. - Source: dev.to / over 2 years ago
  • Best Websites Every Programmer Should Visit
    Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago

What are some alternatives?

When comparing GoJS and Codility, you can also consider the following products

mxGraph - mxGraph is a fully client side JavaScript diagramming library - jgraph/mxgraph

HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

jsPlumb - jsPlumb is an advanced, standards-compliant and easy to use JS library for building connectivity based applications, such as flowcharts, process flow diagrams, sequence diagrams, organisation charts, etc. More than just a diagram library.

CodeSignal - CodeSignal is the leading assessment platform for technical hiring.

Konva - Konva is 2d Canvas JavaScript framework for drawings shapes, animations, node nesting, layering, filtering, event handling, drag and drop and much more.

iMocha - Make intelligent talent decisions.