Software Alternatives, Accelerators & Startups

React VS Harness

Compare React VS Harness and see what are their differences

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React logo React

A JavaScript library for building user interfaces

Harness logo Harness

Automated Tests For Your Web App
  • React Landing page
    Landing page //
    2023-04-19
  • Harness Landing page
    Landing page //
    2023-07-24

Harness

Website
harness.io
$ Details
-
Release Date
2016 January
Startup details
Country
United States
State
California
Founder(s)
Jyoti Bansal
Employees
250 - 499

React features and specs

  • Component-Based Architecture
    React encourages the creation of reusable UI components, which can be leveraged to build complex user interfaces efficiently. This promotes better code organization and separation of concerns.
  • Virtual DOM
    React uses a virtual DOM to optimize and accelerate the process of updating the browser’s DOM, significantly improving application performance.
  • Strong Community and Ecosystem
    React has a large and active community, which means plenty of third-party libraries, tools, and community support are readily available to assist developers.
  • JSX Syntax
    React’s JSX syntax allows developers to write HTML structures within JavaScript code, making the code more readable and easier to debug.
  • Unidirectional Data Flow
    React promotes a unidirectional data flow, which helps maintain the predictability and ease of debugging, especially for larger applications.
  • Extensive Documentation
    React's official documentation is comprehensive, well-organized, and provides numerous examples and tutorials to help developers get started and advance their skills.

Possible disadvantages of React

  • Steep Learning Curve
    React comes with a steep learning curve for beginners, especially those unfamiliar with JavaScript ES6 and JSX syntax.
  • Boilerplate Code
    Setting up a React project often requires boilerplate code, which can be cumbersome and time-consuming compared to simpler frameworks.
  • Fast-Paced Development
    React and its associated libraries evolve rapidly, necessitating frequent updates and learning new patterns, which can be overwhelming for developers.
  • Complexity in Larger Applications
    As a React application grows in size, managing state and props across components can become complex, sometimes necessitating additional state management libraries like Redux or Context API.
  • SEO Challenges
    React, being a JavaScript library, can present challenges for search engine optimization (SEO) due to Googlebot's limitations in executing JavaScript, although this can be mitigated with server-side rendering (SSR) or static site generation (SSG).

Harness features and specs

  • Continuous Delivery Automation
    Harness provides robust continuous delivery automation, allowing teams to automate deployment processes, reduce errors, and improve the speed of releasing software.
  • Finance Efficiency
    Harness includes a cost management feature that helps organizations control cloud infrastructure costs by providing insights and optimizing resource usage.
  • Simplified CI/CD Pipelines
    It offers simplified CI/CD pipeline creation with an easy-to-use interface, which reduces the complexity and time required to set up these processes.
  • Advanced Security Features
    Integrates advanced security features, such as vulnerability scanning and role-based access control, ensuring that deployments meet security compliance requirements.
  • Smart Rollbacks
    Harness has the capability of smart rollbacks that enable teams to automatically revert to a stable version if a new deployment faces issues, minimizing downtime.

Possible disadvantages of Harness

  • Learning Curve
    There can be a significant learning curve for teams new to Harness, as understanding its full capabilities and integrating it into existing workflows can take time.
  • Cost
    Harness might represent a higher cost than some other CI/CD tools, which can be a concern for smaller businesses or teams with tighter budgets.
  • Complex Configurations
    Some users report that setting up complex configurations can require advanced technical expertise, potentially necessitating additional training or hiring.
  • Integration Limitations
    Although Harness integrates with various tools, there can be limitations or complexities in configuring and maintaining these integrations, especially with less common tools.
  • Dependence on Internet Connectivity
    As a cloud-based solution, Harness requires reliable internet connectivity, which might pose challenges for teams with unstable internet connections or strict data residency requirements.

React videos

What Is React?

More videos:

  • Review - NOT Worth Buying? Nike EPIC REACT FLYKNIT 2 vs Epic React REVIEW
  • Review - NIKE REACT INFINITY RUN FLYKNIT REVIEW | The Ginger Runner

Harness videos

How to FIT & CHOOSE a CLIMBING HARNESS w/ Black Diamond! VLOG

More videos:

  • Review - Best Climbing Harnesses - Top 7 Climbing Harness Reviews
  • Review - Best Dog Harness in 2019 - Top 5 Dog Harness Review

Category Popularity

0-100% (relative to React and Harness)
Javascript UI Libraries
100 100%
0% 0
DevOps Tools
0 0%
100% 100
Developer Tools
100 100%
0% 0
Cloud Computing
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 React and Harness

React Reviews

Top JavaScript Frameworks in 2025
ReactJS is a JavaScript based UI development library which is developed by Facebook. It is an open-source framework which is widely used by developers for web development. One of the major reasons why React.JS is widely popular is because it uses Virtual DOM. This enables developers to create web applications faster.
Source: solguruz.com
The 20 Best Laravel Alternatives for Web Development
React’s the cool kid on the block, turning heads since Facebook dropped it at our feet. Building dynamic user interfaces feels less like coding, more like crafting with this JavaScript library.
Top 9 best Frameworks for web development
React uses a virtual DOM to optimize the performance of UI updates and follows a one-way data flow for easy tracking of data changes. With its active community and abundance of third-party resources and libraries, React is a solid choice for web development.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
React can be used as a base in the development of single-page or mobile applications. However, React is concerned with rendering data to the DOM, so creating React apps usually requires additional libraries for state management, routing, and interaction with an API.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
Some of its top features include server-side rendering, automatic code splitting, client-side routing, built-in CSS support, static site generation and API routes. Overall, Next.JS is a powerful and flexible framework that provides developers with a simple and intuitive way to build complex React applications with ease. It is widely used in the React community and has a...
Source: www.bocasay.com

Harness Reviews

We have no reviews of Harness yet.
Be the first one to post

Social recommendations and mentions

Based on our record, React seems to be a lot more popular than Harness. While we know about 814 links to React, we've tracked only 15 mentions of Harness. 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.

React mentions (814)

  • Indie Hacking with Open Source Tools: Innovating on a Budget
    One inspiring example is a developer building a "Todoist Clone" using a combination of React, Node.js, and MongoDB. The developer tapped into open source libraries and community support to create a highly responsive task management application. This project underscores how indie hackers can achieve rapid development and adaptation with minimal budget – a theme echoed in several indie hacking success stories. - Source: dev.to / 17 days ago
  • Next.js Localization: How to Build a Multilingual Website with Next-Intl
    Next.js is a very popular framework built on top of the React.js library and it provides the best Development Experience for building applications. It offers a bunch of features like:. - Source: dev.to / about 1 month ago
  • Web Development Using React Framework
    Explore the official React documentation. - Source: dev.to / about 1 month ago
  • Monorepo Tutorial With Lerna, Storybook & Next.js
    We’ll be creating the components package inside the packages directory. In this monorepo package, we’ll be building React components which will be consumed by our Next.js application (front-end package). - Source: dev.to / about 2 months ago
  • Migrating from AngularJS to React
    After evaluating our options including upgrading from AngularJS to Angular (the name for every version of Angular 2 and beyond) or migrating and rewriting our application in a completely new JavaScript framework: React. We ultimately chose to go with ReactJS. - Source: dev.to / about 2 months ago
View more

Harness mentions (15)

  • DevOps in 2025: the future is automated, git-ified, and kinda scary but fun.
    Harness — AI-powered delivery pipelines. - Source: dev.to / 13 days ago
  • Best CI/CD for AWS services?
    Can check out our products at harness.io. Source: almost 2 years ago
  • How we moved from Artifactory and saved $200k p.a. Part 3 of 5 - The future is Advanced Artefacts
    Harness is our Continuous Delivery (CD) tool of choice. It provides a flexible template engine, that we were able to utilise to create templates that could be reused across our teams. - Source: dev.to / over 2 years ago
  • How to Install Drone CI Server in Kubernetes
    Drone by Harness is a continuous integration service that enables you to conveniently set up projects to automatically build, test, and deploy as you make changes to your code. Drone integrates seamlessly with Github, Bitbucket and Google Code as well as third party services such as Heroku, Dotcloud, Google AppEngine and more. - Source: dev.to / over 2 years ago
  • Harness
    Does anyone have any opinion about the DevOps company Harness - harness.io? (they also have a defunct sub r/Harnessio/). How is the pay in India (Glassdoor and AmbitionBox gives very different figures). How is the work-life balance? In Glassdoor, it doesn't look good at all. If you are a current or ex-employee, would you advise rather to not join it? Source: over 2 years ago
View more

What are some alternatives?

When comparing React and Harness, you can also consider the following products

Vue.js - Reactive Components for Modern Web Interfaces

Deployment.io - Deployment.io makes it super easy for startups and agile engineering teams to automate application deployments on AWS cloud.

Next.js - A small framework for server-rendered universal JavaScript apps

Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development

Svelte - Cybernetically enhanced web apps

GitHub Actions - Automate your workflow from idea to production