Software Alternatives, Accelerators & Startups

Insomnia REST VS Stackato

Compare Insomnia REST VS Stackato and see what are their differences

Insomnia REST logo Insomnia REST

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

Stackato logo Stackato

Enterprise ready private PaaS based on the Cloud Foundry open-source project and Docker.
  • Insomnia REST Landing page
    Landing page //
    2023-10-05
  • Stackato Landing page
    Landing page //
    2018-09-30

Insomnia REST features and specs

  • User-Friendly Interface
    Insomnia REST features a clean and intuitive user interface that makes it easy to create, send, and manage API requests without a steep learning curve.
  • Support for Multiple Protocols
    In addition to REST, Insomnia supports GraphQL and gRPC, making it versatile for developers working with different API protocols.
  • Environment Management
    Insomnia allows you to create and manage multiple environments, making it easier to switch between staging, development, and production settings.
  • Custom Plugins and Themes
    Insomnia supports custom plugins and themes, allowing users to extend its functionality and personalize the interface to suit their workflow.
  • Collaboration Features
    With Insomnia Teams, users can collaborate and share API requests, environments, and other resources, enhancing team productivity.
  • Cross-Platform Availability
    Insomnia is available on multiple platforms, including Windows, macOS, and Linux, providing flexibility for users on different operating systems.

Possible disadvantages of Insomnia REST

  • Resource Heavy
    Some users have reported that Insomnia can be resource-intensive, leading to potential performance issues on lower-end machines.
  • Limited Free Features
    While Insomnia offers a free tier, some of the more advanced features, such as team collaboration and sync capabilities, require a paid subscription.
  • Steeper Learning Curve for Advanced Features
    Although the basic functionalities are user-friendly, mastering the more advanced features might require a steeper learning curve.
  • Dependency on Electron
    Since Insomnia is built on Electron, it might consume more memory and disk space compared to native applications.
  • Complex Plugin System
    While the plugin system is powerful, it can be complex and challenging for users who are not familiar with JavaScript and Node.js.

Stackato features and specs

  • Ease of Use
    Stackato provides an easy and user-friendly interface for deploying applications on the cloud, making it accessible for beginners and professionals alike.
  • Multi-language Support
    The platform supports a range of programming languages, providing flexibility for developers working in different language ecosystems.
  • Scalability
    Stackato enables seamless scaling of applications, allowing businesses to handle increased workloads without performance degradation.
  • Enterprise-grade Security
    Stackato offers robust security features to protect applications and data, which is crucial for enterprise users.
  • Private Cloud Deployment
    It allows deployment on private clouds, offering more control over the application environment compared to public cloud solutions.

Possible disadvantages of Stackato

  • Cost
    As a commercial product, Stackato can be expensive, which might not be suitable for small businesses or startups with limited budgets.
  • Complexity for Advanced Features
    While basic features are easy to use, utilizing more advanced functionalities may require a steeper learning curve.
  • Limited Community Support
    Stackato may have less community support compared to larger open-source platforms, limiting peer resources and community-driven innovation.
  • Vendor Lock-in Risk
    Using a commercial product like Stackato can lead to vendor lock-in, making it tricky to switch platforms without significant rework.
  • Potential for Obsolescence
    Given market dynamics, there's always a risk that smaller platforms may not keep pace with rapid technological advancements.

Analysis of Insomnia REST

Overall verdict

  • Insomnia REST is an excellent choice for developers who need a robust and intuitive tool for API development and testing. Its comprehensive features and ease of use make it a competitive option alongside other popular API clients.

Why this product is good

  • Insomnia REST is widely regarded as a powerful tool due to its user-friendly interface, extensive plugin ecosystem, and support for multiple authentication protocols. It allows users to easily build, debug, and test RESTful APIs with features like environment variables, code generation, and response validation. Moreover, its compatibility with GraphQL and gRPC makes it versatile for modern development needs.

Recommended for

  • API Developers
  • Software Testers
  • Backend Engineers
  • Technical Leads
  • Anyone involved in RESTful API development and testing

Analysis of Stackato

Overall verdict

  • Stackato was a solid enterprise-grade Platform-as-a-Service (PaaS) built on Cloud Foundry and Docker, designed to help organizations deploy and manage applications across private, public, and hybrid clouds. However, it's important to note that Stackato was discontinued by HPE (which acquired it from ActiveState) around 2017, so it is no longer an actively supported product.

Why this product is good

  • Built on open standards like Cloud Foundry and Docker, reducing vendor lock-in concerns
  • Supported multiple programming languages and frameworks, offering polyglot flexibility
  • Enabled deployment across private, public, and hybrid cloud environments
  • Provided enterprise-grade security, scaling, and management features
  • Simplified application deployment and lifecycle management for development teams

Recommended for

  • Enterprises that previously sought a private or hybrid PaaS solution (though now discontinued)
  • Development teams wanting Cloud Foundry-based application deployment
  • Organizations exploring container-based and multi-cloud strategies (should now consider modern alternatives like Cloud Foundry, OpenShift, or Kubernetes)

Insomnia REST videos

3 Reasons to use Insomnia REST Client in your Exploratory API Testing

More videos:

Stackato videos

No Stackato videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Insomnia REST and Stackato)
API Tools
100 100%
0% 0
Developer Tools
98 98%
2% 2
Containers As A Service
0 0%
100% 100
APIs
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Insomnia REST and Stackato

Insomnia REST Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
Product Introduction: Insomnia is a powerful open-source API client designed for simplicity and efficiency and works great as a postman alternative. It supports REST, GraphQL, and gRPC, making it versatile for various API types.
Source: medium.com
Best Postman Alternatives To Consider in 2025
It is a free, open-source platform that boasts a user-friendly interface and robust features like environment and collection management, code snippets, and test automation. Compared to Postman, Insomnia offers a lighter footprint and a more customizable workspace.
Postman Alternatives for API Testing and Monitoring
Insomnia is a user-friendly tool for API development and testing. Insomnia allows creating and sending HTTP and REST requests, like GET, POST, PUT, DELETE, and more. Users can view API responses, including status codes, headers, and body. This enables understanding how the application handles different response scenarios, for efficient debugging.
Top 10 HTTP Client and Web Debugging Proxy Tools (2023)
Insomnia REST is the best alternative for Postman. It has more than 350 open-source plugins, plus GraphQL built-in with multiple protocol support. Since GraphQL is an added value, you can fully automate the entire lifecycle of APIs, build and debug them efficiently and with ease.
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Insomnia by Kong enables you to deliver high-quality APIs through collaboration. This postman alternative also includes testing suites, which allow you to create functional tests and centralize APIs. With this platform’s streamlined API client, sending GraphQL, REST, and SOAP requests are simple. Defining variables such as authentication credentials allows you to manage...
Source: testsigma.com

Stackato Reviews

We have no reviews of Stackato yet.
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Social recommendations and mentions

Based on our record, Insomnia REST seems to be more popular. It has been mentiond 134 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.

Insomnia REST mentions (134)

  • Postman's New Pricing Is a Trap; Here Are the Alternatives
    Apidog offers 4 users free with unlimited everything. Bruno has built a passionate community around privacy-first API testing. Insomnia continues to improve with strong multi-protocol support. - Source: dev.to / 6 months ago
  • The Ultimate Guide to Offline API Testing: 10 Tools That Work Without Internet
    Insomnia balances professional-grade features with strong offline capabilities. Its Scratch Pad and Local Vault features ensure sensitive data remains on your local machine while providing comprehensive protocol support. - Source: dev.to / 10 months ago
  • Postman which I thought worked locally on my computer, is down
    I ditched Postman for Insomnia (Open source) after Postman refused to adhere to customers to disable auto-updates for 6 years+. I checked on their GitHub issue tracker and it turns out, the solution was to upgrade to their "Enterprise plan". https://github.com/postmanlabs/postman-app-support/issues/6999#issuecomment-3424362009 So, I said fuck it and switched to a real, open source alternative, Insomnia, instead:... - Source: Hacker News / 11 months ago
  • How to Design a RESTful API with CRUD Operations
    Postman and Insomnia provide user-friendly interfaces for manual and automated API testing, while testing libraries like Jest, Mocha, and pytest support programmatic tests. - Source: dev.to / 12 months ago
  • Sending SMS Messages with PHP
    To send the message, you’ll want an HTTP tooling client that makes it easy to send POST requests - I’ve opted for Kong’s Insomnia but you could also use Postman or even a raw cURL request. - Source: dev.to / about 1 year ago
View more

Stackato mentions (0)

We have not tracked any mentions of Stackato yet. Tracking of Stackato recommendations started around Mar 2021.

What are some alternatives?

When comparing Insomnia REST and Stackato, you can also consider the following products

Postman - The Collaboration Platform for API Development

Kubernetes - Kubernetes is an open source orchestration system for Docker containers

Hoppscotch - Open source API development ecosystem

Rancher - Open Source Platform for Running a Private Container Service

RapidAPI for Mac - Paw is a REST client for Mac.

Mesosphere DCOS - Mesosphere DCOS organizes your entire infrastructure as if it was a single computer.