Guzzle
PHP HTTP client that makes it easy to send HTTP requests and trivial to integrate with web services.
Best Guzzle Alternatives & Competitors in 2025
The best Guzzle alternatives based on verified products, community votes, reviews and other factors.
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RESTClient can be used to test variety of HTTP communications and RESTful webservices.
Key RESTClient features:
User-Friendly Interface Support for Multiple HTTP Methods Customizable Headers and Body Open Source
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The Collaboration Platform for API Development.
Key Postman features:
User-Friendly Interface Collaboration Comprehensive Testing Tools Extensive API Documentation
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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.
Key Flagsmith features:
Feature Flags Remote Config A/B/X Testing & Optimization Organization Management
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a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Key Flask features:
Simplicity Flexibility Extensibility Documentation
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Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple.
Key ExpressJS features:
Fast Setup Middleware Support Extensibility Performance
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cURL is a computer software project providing a library and command-line tool for transferring data...
Key cURL features:
Versatility Cross-Platform Command-Line Usage Automation
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The stunningly fast micro-framework by Laravel.
Key Lumen Framework features:
Performance Lightweight Laravel Compatibility Extensive Documentation
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lftp is a command-line file transfer program which besides FTP, also supports FTPS, HTTP, HTTPS...
Key lftp features:
Versatility Robust Command Line Interface Parallel Transfers Reliability
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A PHP Framework For Web Artisans.
Key Laravel features:
Eloquent ORM Blade Templating Engine Artisan CLI Strong Community and Ecosystem
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Hurl makes HTTP requests.
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A PHP full-stack web framework.
Key Symfony features:
Robust Framework Modular Architecture Community Support Scalability
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ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
Key ASP.NET features:
Performance Security Rich Toolbox Cross-Platform Support
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SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.
Key soapUI features:
Comprehensive Testing User-Friendly Interface Extensive Protocol Support Scripting Capability
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A utility-first CSS framework for rapidly building custom user interfaces.
Key Tailwind CSS features:
Utility-First Approach Customization Consistent Design Responsive Design