Chrome DevTools Alternatives & Competitors

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

Key Firefox Developer Tools features:

Cross-Platform Consistency Responsive Design Mode Memory and Performance Analysis JavaScript Debugging

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Key GitHub features:

collaboration integration version_control community

Open Source

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Key Netumo features:

Monitoring SSL Monitoring Twitter SMS notifications

Try for free freemium $9.0 / Monthly (Lite plan)

Debug HTTP API calls to a back-end and between back-ends. Easy of use, clean UI, and short ramp-up time. Not a proxy, no network issues!

Key HTTP Debugger features:

Comprehensive Monitoring Detailed Request and Response Analysis User-Friendly Interface Filtering and Search Capabilities

Fiddler is a debugging program for websites.

Key Fiddler features:

Comprehensive Debugging Cross-Platform Compatibility Custom Scripting User-Friendly Interface

Build and debug modern web and cloud applications, by Microsoft.

Key VS Code features:

Cross-platform Extensibility Integrated Git Performance

Open Source

HTTP proxy / HTTP monitor / Reverse Proxy.

Key Charles Proxy features:

Comprehensive HTTP/HTTPS Debugging User-Friendly Interface Support for Various Platforms Throttling Feature

Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium...

Key puppeteer features:

Headless Browsing Full Browser Control Rich API Active Community

BugBug makes test automation ultra-simple. It's low-code test automation tool designed for E2E testing of Chromium-based web apps. With its intuitive interface and smart test recorder, users can quickly build and run automated tests in minutes.

Key BugBug.io features:

Ease of Use Automated Testing Integration Real-time Reporting

freemium $189.0 / Monthly (Unlimited users, Unlimited cloud runs, CI/CD integrations, )

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

Key HTTP Toolkit features:

Ease of Use Cross-Platform Compatibility Open Source Comprehensive Debugging Features

Open Source freemium €7.0 / Monthly (for a Pro subscription)

Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.

Key Git features:

Distributed Version Control Branching and Merging Speed Flexibility

Open Source

Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.

Key Snyk features:

Ease of Use Comprehensive Vulnerability Database Automated Fixes CI/CD Integration

Open Source

Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

Key Cypress.io features:

Easy Setup and Configuration Real-time Reloads Time Travel Debugging Automatic Waiting

Open Source

Simple and flexible HTML, CSS, and JS for popular UI components and interactions.

Key Bootstrap features:

Responsive Design Pre-designed Components Cross-browser Compatibility Extensive Documentation

Open Source