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virt-manager VS Postman

Compare virt-manager VS Postman and see what are their differences

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virt-manager logo virt-manager

The virt-manager application is a desktop user interface for managing virtual machines through...

Postman logo Postman

The Collaboration Platform for API Development
  • virt-manager Landing page
    Landing page //
    2023-05-05
  • Postman Landing page
    Landing page //
    2021-07-23

virt-manager features and specs

  • User-friendly Interface
    Virt-manager provides a graphical user interface that makes it easier for users to manage virtual machines, especially for those who are less comfortable with command-line tools.
  • Integration with libvirt
    Virt-manager seamlessly integrates with libvirt, allowing users to manage different types of hypervisors such as KVM, Xen, and QEMU, among others.
  • Snapshot Management
    The tool supports snapshot management, allowing users to take and manage snapshots of their virtual machines easily.
  • Resource Allocation
    It provides an intuitive way to allocate resources such as CPU, memory, and storage to different virtual machines, making it easier to optimize performance.
  • Remote Management
    Virt-manager allows users to manage virtual machines on remote hosts via SSH, giving flexibility in managing VMs across different physical machines.

Possible disadvantages of virt-manager

  • Linux-centric
    Primarily designed for Linux users, meaning Windows and macOS users may face challenges or limited functionality when using virt-manager.
  • Performance Overhead
    Graphical tools like virt-manager may introduce a slight performance overhead compared to managing VMs via direct command-line tools.
  • Complexity for Large Environments
    While virt-manager is great for small to medium setups, managing a large number of virtual machines can become cumbersome due to the limitations of the GUI.
  • Limited Advanced Features
    Some advanced features available in command-line tools or other sophisticated management solutions may not be fully supported in virt-manager.
  • Dependency on libvirt
    Its functionality heavily depends on libvirt, making it less versatile if you need to manage hypervisors not supported by libvirt.

Postman features and specs

  • User-Friendly Interface
    Postman features an intuitive and user-friendly interface that simplifies the process of constructing API requests and visualizing responses. This makes it accessible for both beginners and advanced users.
  • Collaboration
    Postman offers robust collaboration features, such as shared workspaces, collections, and real-time editing, enabling teams to work together more efficiently on API development.
  • Comprehensive Testing Tools
    Postman provides a suite of testing tools to create, automate, and manage test cases. It supports automated testing through its scripting environments, which ensure APIs perform as expected.
  • Extensive API Documentation
    Postman can automatically generate comprehensive API documentation, making it easier to maintain and share API specifications with stakeholders and other developers.
  • Mock Servers
    Postman allows users to create mock servers to simulate API responses. This is particularly useful for testing and development purposes when the actual API is not yet available.
  • Integration Capabilities
    Postman offers integrations with various CI/CD tools, version control systems, and other services like Jenkins, GitHub, and Slack, facilitating seamless integration into development workflows.

Possible disadvantages of Postman

  • Resource Intensive
    Postman can sometimes be resource-intensive, consuming substantial memory and CPU, which can impact the performance of your system, especially when dealing with large collections.
  • Steep Learning Curve for Advanced Features
    While Postman is generally user-friendly, some of its advanced features, like scripting and automation, can have a steep learning curve and might require additional effort to master.
  • Pricing
    Although Postman offers a free tier, many of its advanced features, such as enhanced collaboration tools and extended integrations, are locked behind paid plans, which may not be cost-effective for smaller teams or individual developers.
  • Dependency on Internet
    Some of Postman's features, particularly those related to collaboration and synchronization, require a stable internet connection, which can be a limitation in environments with poor connectivity.
  • Limited Native Support for Certain Protocols
    Postman primarily focuses on HTTP/HTTPS protocols and may offer limited or no native support for other protocols, which can be restricting for developers working with diverse sets of technologies.

Analysis of virt-manager

Overall verdict

  • Virt-manager is generally considered a good choice for managing virtual machines on Linux, particularly for users who prefer a graphical interface over command-line alternatives. It is well-supported and frequently updated, making it a robust solution for many virtualization needs.

Why this product is good

  • Virt-manager is a popular tool for managing virtual machines because it provides an intuitive graphical user interface for creating, configuring, and controlling virtual machines on Linux. It supports a range of hypervisors, including KVM, QEMU, and Xen, and offers features such as snapshot management, performance monitoring, and live migration support. This makes it a valuable tool for both beginners and experienced users who need a reliable way to manage virtualization tasks.

Recommended for

    Virt-manager is recommended for Linux users who need to manage virtual machines and prefer using a graphical user interface. It is suitable for IT professionals, developers, and hobbyists who require a reliable and versatile virtualization management tool compatible with multiple hypervisors.

Analysis of Postman

Overall verdict

  • Yes, Postman is widely regarded as a good tool for API development and testing. Its combination of powerful features and ease of use makes it a popular choice among developers.

Why this product is good

  • Postman is considered a top choice for API development due to its user-friendly interface, extensive features for testing, automation, and collaboration, and strong community support. It simplifies the process of creating, managing, and testing APIs, making it accessible for both beginners and experienced developers.

Recommended for

  • Developers working on API integration
  • QA engineers involved in testing APIs
  • Teams in need of collaborative API development
  • Developers looking to automate API testing
  • Individuals looking for a comprehensive API testing tool

virt-manager videos

Creating Virtual Machines in QEMU | Virt-manager | KVM

More videos:

  • Review - Virt-Manager Is The Better Way To Manage VMs
  • Review - Virt-Manager, QEMU and KVM (2020) | Practical IT

Postman videos

POST/CON 2018 workshop in review: Running Postman Collections

More videos:

  • Review - POST/CON 2018 workshop in review: Postman Collections
  • Tutorial - How to Share Postman Collections

Category Popularity

0-100% (relative to virt-manager and Postman)
Cloud Computing
100 100%
0% 0
API Tools
0 0%
100% 100
Virtual Machine Management
APIs
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 virt-manager and Postman

virt-manager Reviews

We have no reviews of virt-manager yet.
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Postman Reviews

Postman vs Apidog: Choosing the Suitable API Development Tool
Forking Existing Collections: One of Postmanโ€™s unique strengths is the ability to fork collections created by others. Developers can easily duplicate publicly available Postman collections, modifying them to fit their particular needs without starting from scratch. This feature saves time and encourages collaboration by allowing developers to build upon existing work.
Source: dev.to
Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
As the digital landscape evolves, the significance of APIs (Application Programming Interfaces) has surged, facilitating seamless communication between various software applications. Postman has been a leading tool in this space, offering a comprehensive platform for API development, testing, and documentation. However, recent shifts in its pricing model and user experience...
Source: medium.com
Best Postman Alternatives To Consider in 2025
- Focus on specific needs: Does the tool excel at SOAP APIs or cater to microservices? - Resource usage: Does it handle complex projects without impacting system performance? - Script reusability: Does it allow for efficient code sharing across projects?3. Is Postman the best API tool?Not all-encompassing. While Postman is powerful, the "best" tool depends on your specific...
Postman Alternatives for API Testing and Monitoring
Some engineers turn to Postman for API testing and monitoring needs. However, Postman is a costly and limited solution. QA, DevOps and other engineers may find it lacks capabilities that can answer their needs. In this blog post, we provide 12 Postman alternatives built for the enterprise.
Beeceptor vs Postman
You cannot download request log. Although, you can use Postman APIs to query and retrieve.
Source: beeceptor.com

Social recommendations and mentions

Based on our record, virt-manager should be more popular than Postman. It has been mentiond 65 times since March 2021. 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.

virt-manager mentions (65)

  • Locked in: the inextricable dependency on VMWare
    Libvirt is a C library developped by RedHat under the terms of the GNU LGPL license, that provides a generic API that abstracts the bits and bytes of the underlying hypervisor, networking and storage technologies. Using libvirt generic API permits to benefit from a large ecosystem of open source software and tools. As an example, it is possible to use the virt-manager client to create and manage virtual... - Source: dev.to / about 2 years ago
  • Reproducing the printer hack of Windows 95
    It's still being updated. I don't see anything on the virt-manager homepage or GitHub that would suggest it is deprecated. https://virt-manager.org/ https://github.com/virt-manager/virt-manager It can't do literally everything Qemu/libvirt can do using only the UI, but given that it has escape hatches to directly edit libvirt configurations, and... - Source: Hacker News / over 2 years ago
  • Proxmox VE: Import Wizard for Migrating VMware ESXi VMs
    I would love to see a serious comparison (features & performance) between VMWare ESXi, Proxmox VE and let's say a more stock RHEL or Ubuntu. And maybe even include FreeBSD/bhyve. Because yes, in terms of core functionality it should be in the same ballpark. And in terms of UI, Virtual Machine Manager [0] was not that bad. [0] https://virt-manager.org/. - Source: Hacker News / over 2 years ago
  • Quickemu: Quickly run optimised Windows, macOS and Linux virtual machines
    Shout out to https://virt-manager.org/ - works much better for me, supports running qemu on remote systems via ssh. I used to use this all the time for managing bunches of disparate vm hosts and local vms. - Source: Hacker News / over 2 years ago
  • Oracle data base
    If not, I would just run a CentOS Stream 8 virtual machine using either GNOME Boxes or virt-manager, and set up networking and ssh so you can access the database from the host. Source: over 2 years ago
View more

Postman mentions (30)

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What are some alternatives?

When comparing virt-manager and Postman, you can also consider the following products

VirtualBox - VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as...

Insomnia REST - Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a devโ€‘friendly UI, built-in automation, and an extensible plugin ecosystem.

VMmanager - VMmanager is a QEMU/KVM server virtualization management software, which presents perfect tools for creating virtual machines, providing VPS services, and building cloud infrastructure.

MuleSoft Anypoint Platform - Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.

QEMU - QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that...

DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.