Trending September 2023 # 10 Best Service Virtualization Tools (Open Source/Paid) In 2023 # Suggested October 2023 # Top 11 Popular |

Trending September 2023 # 10 Best Service Virtualization Tools (Open Source/Paid) In 2023 # Suggested October 2023 # Top 11 Popular

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What is Service Virtualization?

Service Virtualization is a method that helps you to emulate (virtual services) the behaviors of the component in a Service Oriented Architecture (Microservice). Practically the software development, testing, and operations teams do not work in synch, and each team has to wait for others to have components ready. This causes delays in workflows and may deliver an inferior product. With Service Virtualization, DevOps teams use virtual services instead of production services, so they can test the system even when key components are not ready. With Service Virtualization, integrating of applications takes place early in the development cycle thereby reducing time and cost to fix errors.

Best Service & API Virtualization Tools: Top Picks

Here, is the list of top Service Virtualization tools with popular features and download links-

With Parasoft Virtualize, you can create, deploy, and manage virtual data, systems, and services in reusable test environments to reduce the constraints of downstream dependencies. Intelligent correlation automatically creates virtual services that respond appropriately to requests and behave like the real thing.

Create and manage a wide variety of virtual assets with the extensive capabilities built into Parasoft Virtualize. Integrate service virtualization with API testing for increased automation and the most efficient workflows.


Fast and easy creation of virtual data and services

Service virtualization for a variety of assets and protocols

Database virtualization

Support for API, microservices, web, and load testing

Web-based workspace for test environment management

Test data management

Easy scalability for DevOps deployments

Visit Parasoft Virtualize

2) Mountebank

Mountebank is an open source tool which can execute multi-protocol tests. The codebase is Node JS. It is easy to create stubs and mocks.


Mountebank tool aims to be fully cross-platform, with native language bindings

It is non-modal and multi-protocol solution. It can test SMTP, HTTP, TCP, and HTTPS

This tool provides service virtualization service free of cost without any platform constraints

Frequently updated, mature, and stable tool.

3) Hoverfly cloud

Hoverfly cloud is an integrated service virtualization solution. It is designed from the ground up for integration, automation, and performance. You can optimize virtualized services to efficiently handle the load from the system under test.


Easily deployable on Google, AWS, Google & Azure cloud

Virtualized services are automatically provisioned as part of the test setup

You can scale on demand based on the performance requirements of your tests

Allows for reporting using existing test tools

4) MicroFocus Data Simulation Software

MicroFocus Data simulation software allows developers and QA testers to virtualize micro service’s behavior. The tool does not delay delivery regardless of access to production systems.


Helps to create simulation of application behavior

Allows modifying data, network, and performance models. Without doing changes in test conditions and performance needs

Service Virtualization features integrated with Performance Center, ALM, LoadRunner, and Unified Functional Testing

Model the functional network and checks the behavior of virtual services by using step-by-step wizards

5) CA service Virtualization

CA Service Virtualization tool simulates unavailable systems across the software development lifecycle. The tool helps developers, QA testing team to work together for faster delivery and higher application quality and reliability.


It simplifies the management of development and testing processes.

Helps to streamline development by virtualizing dependent systems including mainframes, and external service providers

Allows project to be developed in parallel instead of waterfall model

Reduce demand for development environments

6) Mocklab

Mocklab is service virtualization tool with user-friendly UI. It allows easy copy, paste or record stubbed HTTP responses. It helps for easy sharing among the team.


Helps organization to remain productive even when a dependent API doesn’t exist

Test edge case and failure modes which the real API never able to produce

Helps to recognize issues faster and find key issues with the feature of help of visual request log

7) Rational Test Virtualization Server

IBM Rational Test Virtualization offers fast and quick testing in the development lifecycle. It helps to reduce dependencies by simulating part or an entire application. This helps software testing teams as they need not wait for the availability of those applications to begin their work.


Virtualize services, software, and applications.

Reuse and share virtualized environments

Offers support for middleware technologies

Allows integration with other tools

8) Tricentis Tosca

Tricentis Tosca allows steady access to dependent systems so that tests can be execute reliably, and continuously. It simulates the dependent component behavior need to run your tests


Helps testers to test highly interconnected systems with many components evolving in parallel

Simulate Interactions necessary for Testing

Automated Message Validation process

FAQs: ❓ Why Service Virtualization?

Here, are prime reasons for using service Virtualization for your business:

Helps you to accelerate Application Delivery while mitigating business risks

It helps you to simulates the behavior of select components within an application to enable end-to-end testing of the application as a whole.

Allows the teams to work in parallel

Allows you to Test Early and often which expose defect when they are faster, easiest and least costly to resolve

Facilitates better test coverage

Virtual services offer rich tools for editing and managing which help you improve productivity, cut down on maintenance time and development costs.

It is useful for anyone involved in developing and delivering software applications.

Access to more systems and services

It supports test-driven development.

Gives you an isolated environment for testing

💻 Which are the Best Service Virtualization Tools?

Below are some of the best service virtualization tools:

Parasoft Virtualize


Hoverfly cloud


CA Service Virtualization

🌟 How Service Virtualization works?

Service virtualization emulates the behavior of components in a Service Oriented Architecture. It allows DevOps teams to use virtual services instead of production services for testing the system without the key components. Service virtualization mimics the behavior of these key components in order to reduce the time and cost to fix the errors.

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