Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Seconds to in-cluster microservices mocks in VS Code launched in 2023; newer entries below may have overtaken it.

1. 1
   Mockable▲114

   For rapid API prototyping: create REST/SOAP mocks in 3 sec

   2015 · its alternatives →

2. 2
   Mock API Generator▲555

   Generate custom data & API to build apps in less than 30s

   2021 · retool.com · its alternatives →

3. 3RG
   Rapidmock – Generate a mock API in seconds▲7

   2022 · rapidmock.com · its alternatives →

4. 4
   Ephemeral VMs in 1 Microsecond▲84

   Contribute to libriscv/drogon-sandbox development by creating an account on GitHub.

   2024 · github.com · its alternatives →

5. 5
   Codigrade▲85

   Microservice as coding test

   2023 · codigrade.com · its alternatives →

6. 6
   Mocknica - AI-Powered Mock API Server▲8

   Create mock APIs in seconds with AI. Ship prototypes faster.

   Dec 2025 · mocknica.dev · its alternatives →

7. 7
   I built a tool to get instant test results▲96

   I got sick of the old software development loop: Change code -> Run tests -> wait -> wait some more -> look at failures. I decided to build a tool that will enable you to: Change code -> look at failures. No wait time, no explicit test running. Under the hood: - Runs the whole test suite and collects code coverage per test. - For each auto file save, analyzes the changes on the tests. - Runs changed tests in the background. - Display results, the loop time from change to test results is approx 250ms. Instead of: code -> alt+tab -> arrow up -> rerun all the tests -> wait ... -> test results…

   2022 · github.com · its alternatives →

8. 8
   Mockadillo▲115

   Mock your entire API in minutes.

   2019 · mockadillo.com · its alternatives →

9. 9
   Mockoon – mock REST APIs in seconds▲68

   Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

   2017 · mockoon.com · its alternatives →

10. 10
    KubeOrbit▲89

    Do microservices integration testing efficiently

    2022 · its alternatives →

11. 11
    Mockswitch▲67

    Stateful mock services, 10x faster

    2021 · its alternatives →

12. 12
    API Fast Mock▲6

    Stateless API mocks in seconds, powered by tokens.

    2025 · apifastmock.com · its alternatives →

13. 13
    MockFast.io▲4

    Mock as a service

    2025 · its alternatives →

14. 14AF
    A free, open-source, collaborative, mock API▲5

    2021 · mockachino.com · its alternatives →

15. 15
    A minimalist polyglot toolkit for building fast, scalable microservices▲8

    2019 · github.com · its alternatives →

16. 16JH
    JSONator – HTTP endpoints for mock data▲7

    2014 · jsonator.herokuapp.com · its alternatives →

17. 17
    Bee-queue based microservices for Node.js▲5

    a bee-queue based minimalist toolkit for building fast, decentralized, scalable and fault tolerant microservices - umuplus/beems

    2019 · github.com · its alternatives →

18. 18
    Mockingbird: Generate mock data streams for your next data project▲7

    2023 · mockingbird.tinybird.co · its alternatives →

19. 19
    Control Plane▲11

    Run microservices in multiple regions clusterless/serverless

    2022 · controlplane.com · its alternatives →

20. 20IY
    Improve Your Micro-Services Debugging Environment▲5

    2020 · medium.com · its alternatives →

21. 21WH
    Wasted hours on Unit tests, so I built VS Code ext for AI tests▲15

    Hey guys, I'm investing a ton of time on writing unit tests, for both enterprise and personal projects. I came up with the idea to make extension for AI-generated tests and cases within a VS Code. Happy to hear feedback, both positive and negative.

    2024 · marketplace.visualstudio.com · its alternatives →

22. 22
    Rapidmock▲4

    Generate a mock API in seconds.

    2022 · its alternatives →

23. 23
    Transient – A tool for creating VMs for testing and development▲17

    A wrapper for QEMU allowing the creation of virtual machines with shared folder, ssh, and disk creation support. - GitHub - ALSchwalm/transient: A wrapper for QEMU allowing the creation of virtual machines with shared folder, ssh, and disk creation support.

    2020 · github.com · its alternatives →

24. 24
    Celerforge▲9

    Mock APIs at lightning speed with AI.

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →