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ESLint VS Unleash

Compare ESLint VS Unleash and see what are their differences

ESLint logo ESLint

The fully pluggable JavaScript code quality tool

Unleash logo Unleash

Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.
  • ESLint Landing page
    Landing page //
    2022-09-14
  • Unleash Landing page
    Landing page //
    2021-06-12

As a highly flexible feature management platform, Unleash is built to reduce the risk of releasing new features and accelerate software development.

Whether you’re a small team or a large enterprise, Unleash enables you to innovate faster and make data-driven decisions that enhance your user experience.

With market-leading data governance, robust change and access controls, SaaS or self-hosted deployment options, multi-region support, and the flexibility of open-source, you have the freedom to choose the setup that works best for you while maintaining full control over your data.

ESLint

Website
eslint.org
Pricing URL
-
$ Details
Platforms
-
Release Date
-

Unleash

$ Details
freemium $75.0 / Monthly ("Enterprise Pay-as-you-go", "5 users")
Platforms
Linux JavaScript Java .Net Go Elixir Python Ruby
Release Date
2019 January

ESLint features and specs

  • Customization
    ESLint is highly customizable through configuration files, allowing developers to tailor the linting process to fit their specific coding standards and project requirements.
  • Extensibility
    With a wide range of plugins and the ability to write custom rules, ESLint can be extended to accommodate unique project needs or additional languages and frameworks.
  • Community Support
    ESLint has a large and active community, ensuring continuous improvement, frequent updates, and a wealth of shared knowledge and resources.
  • Integrations
    ESLint integrates seamlessly with most development environments, build tools, and version control systems, making it easy to incorporate into existing workflows.
  • Error Prevention
    By statically analyzing code to catch potential errors and bad practices before runtime, ESLint helps improve code quality and reduce bugs.
  • Consistency
    Applying ESLint across a project ensures coding standards are maintained consistently, which is particularly beneficial for teams with multiple developers.

Possible disadvantages of ESLint

  • Initial Setup
    Configuring ESLint for the first time can be daunting, especially for those who are new to the tool or have complex project requirements.
  • Performance
    On large codebases, ESLint can sometimes slow down builds or editor performance due to the extensive analysis it performs.
  • Learning Curve
    There is a learning curve associated with understanding and configuring ESLint rules, which can be challenging for beginners.
  • Strictness
    Depending on the configuration, ESLint can be very strict, leading to a large number of warnings or errors that may initially overwhelm developers not accustomed to such rigorous linting.
  • Opinionated Rules
    Some ESLint default rules may not align with every developer's or team's coding style preferences, necessitating further customization and adjustment.
  • Maintenance
    Keeping ESLint configurations and plugins up to date requires ongoing maintenance, especially as projects evolve and dependencies change.

Unleash features and specs

  • Flexibility
    Unleash provides a highly flexible feature management system that allows teams to enable or disable features without deploying new code. This is particularly useful for A/B testing, gradual rollouts, and quick feature toggles.
  • Open Source
    Being an open-source platform, Unleash allows you to review the source code, contribute to improvements, and avoid vendor lock-in. This provides a greater degree of transparency and control.
  • Multiple Environment Support
    Unleash supports multiple environments (development, staging, production) out of the box, enabling seamless management of feature releases across different stages of software development and deployment.
  • Strong Community
    As an open-source project, Unleash boasts a strong community that contributes to its constant improvement and provides support through forums, documentation, and other channels.
  • Privacy and Security
    Unleash allows self-hosting, which can be a significant advantage for organizations concerned about data privacy and security. Self-hosting ensures that no feature flag data leaves your infrastructure.

ESLint videos

ESLint Quickstart - find errors automatically

More videos:

  • Review - ESLint + Prettier + VS Code — The Perfect Setup
  • Review - Linting and Formatting JavaScript with ESLint in Visual Studio Code

Unleash videos

Why Unleash? Why Now?

Category Popularity

0-100% (relative to ESLint and Unleash)
Code Coverage
100 100%
0% 0
Developer Tools
56 56%
44% 44
Code Analysis
100 100%
0% 0
Feature Flags
0 0%
100% 100

User comments

Share your experience with using ESLint and Unleash. For example, how are they different and which one is better?
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Reviews

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

ESLint Reviews

8 Best Static Code Analysis Tools For 2024
You can use ESLint through a supported IDE such as VS Code, Eclipse, and IntelliJ IDEA or integrate it with your CI pipelines. Moreover, you can install it locally using a package manager like npm, yarn, npx, etc.
Source: www.qodo.ai

Unleash Reviews

The 8 best free and open-source feature flag services
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it...
Source: posthog.com

Social recommendations and mentions

Based on our record, ESLint seems to be a lot more popular than Unleash. While we know about 267 links to ESLint, we've tracked only 4 mentions of Unleash. 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.

ESLint mentions (267)

  • Never lose valuable error context in JavaScript
    While ESLint is the go-to tool for code quality in JavaScript, it doesn’t provide any built-in rule for this. - Source: dev.to / 4 days ago
  • Shopify: Getting to grips with GraphQL
    This linting is designed to work with eslint, which is very commonly used in the JavaScript world. - Source: dev.to / 12 days ago
  • Most Effective Approaches for Debugging Applications
    Static code analysis tools scan code for potential issues before execution, catching bugs like null pointer dereferences or race conditions early. Daniel Vasilevski, Director and Owner of Bright Force Electrical, shares, “Utilizing static code analysis tools gives us a clear look at what’s going wrong before anything ever runs.” During a scheduling system rebuild, SonarQube flagged a concurrency flaw, preventing... - Source: dev.to / 28 days ago
  • Static Code Analysis: Ensuring Code Quality Before Execution
    ESLint – Widely used for JavaScript/TypeScript projects to catch style and logic errors. - Source: dev.to / about 2 months ago
  • 🚀 Biome Has Entered the Chat: A New Tool to Replace ESLint and Prettier
    If you’ve ever set up a JavaScript or TypeScript project, chances are you've spent way too much time configuring ESLint, Prettier, and their dozens of plugins. We’ve all been there — fiddling with .eslintrc, fighting with formatting conflicts, and installing what feels like half the npm registry just to get decent code quality tooling. - Source: dev.to / about 2 months ago
View more

Unleash mentions (4)

  • KILLSWITCH
    So my first instinct is to setup some sorta feature-flag thing within a CMS so managers can flip the boolean, I'm exploring getunleash.io and GrowthBook.io and we already use Contentful.com within the app but they're saying they "really don't think we need to use any third party thing for a killswitch"... Source: almost 2 years ago
  • Need your opinion
    We are an Open Source Feature Flagging solution called Unleash, and we are looking to get some feedback from the community on a decision we are trying to make. We are considering offering our developers the option to either write technical content through a Community Content Program for us for a $200 fee, or to donate that amount to charity. Source: over 2 years ago
  • How we use analytics as a privacy focused OSS company
    TLDR: Privacy is really important for us at Unleash. Here you will find the full story on how we ended up with an analytics solution that does not collect personal data and has very short retention. Whenever we evaluate a new feature at Unleash, we always start with one question. How does this fit with our values? This question is powerful. It can quickly qualify or disqualify a feature from consideration, putting... - Source: dev.to / almost 3 years ago
  • Best A/B testing, experimentation platform for Mobile
    Have seen Unleash used: getunleash.io and people seemed happy with it. Source: almost 4 years ago

What are some alternatives?

When comparing ESLint and Unleash, you can also consider the following products

Prettier - An opinionated code formatter

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.

Flagsmith - Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.

ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.