Dev tools · alternatives · 2026

24 alternatives to I open sourced the CLI of my API Testing Framework

The main repo for APITrakr, an API testing framework. - apitrakr/packages/cli at main · apitrakr/apitrakr

This is an open-source command-line interface for an API testing framework, released in May 2023. The tool is designed for developers who need to test APIs programmatically. Being open source, developers can view the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I open sourced the CLI of my API Testing Framework launched in 2023; newer entries below may have overtaken it.

1. 1
   Octrafic▲130

   Test your APIs in plain English, straight from the terminal

   Mar 2026 · its alternatives →

2. 2
   Cursor for your API▲473

   Generate, edit, lint & test your API workflow in one place

   2025 · app.getelva.ai · its alternatives →

3. 3
   Kane CLI▲445

   Natural language browser & mobile app tests from terminal

   Aug 2026 · testmuai.com · its alternatives →

4. 4
   Clobbr▲444

   Easy API endpoint load testing without breaking the bank

   2023 · clobbr.app · its alternatives →

5. 5
   GitHub CLI▲408

   GitHub’s official free and open source command line tool

   2020 · cli.github.com · its alternatives →

6. 6
   My LLM CLI tool can run tools now, from Python code or plugins▲529

   LLM 0.26 is out with the biggest new feature since I started the project: support for tools. You can now use the LLM CLI tool—and Python library—to grant LLMs from …

   2025 · simonwillison.net · its alternatives →

7. 7
   Apidog▲570

   Development teams often struggle with using multiple tools like Postman and Swagger for API design, development, and testing. This fragmented approach leads to outdated API specs and chaotic collaboration. So we built Apidog: a single, unified API platform for team collaboration. It has a beautiful interface that makes it easy to create API spec, generate request data from API spec, validate responses, create mock data, orchestrate test scenarios, and publish API documentation. Apidog = Postman + Swagger + Mock + JMeter.

   2024 · apidog.com · its alternatives →

8. 8
   Open-source A/B testing framework▲199

   Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook

   2021 · github.com · its alternatives →

9. 9
   We built a tool that automatically generates API tests▲108

   Hi, this is Mish and Sebastian. We are working on Step CI - a fully automated API testing platform for developers. Step CI works programming-language independent and for different API paradigms (REST, GraphQL, XML). Our CLI and test runner are available on GitHub (https://github.com/stepci) under the MPLv2 license. Since our last launch, Step CI is now able to generate automated tests for your API based on your OpenAPI (Swagger) spec. This saves you a lot of time as you never have to write and maintain your tests again! We would like to invite you to try our tool and give us…

   2022 · stepci.com · its alternatives →

10. 10
    Open-source CLI coding framework using Claude▲84

    AI powered cli coding agent that monitors your dev/test server and fixes errors and adds features - vysakh0/dravid

    2024 · github.com · its alternatives →

11. 11
    Cosine CLI▲334

    AI pair programming directly in your terminal

    2025 · cosine.sh · its alternatives →

12. 12
    API Flow Integration Tool▲73

    Powerful tool for API flow integration, testing, prototyping

    2020 · its alternatives →

13. 13AT
    APId – the API end to end testing framework has gone open source▲11

    2020 · getapid.com · its alternatives →

14. 14
    Karate Labs▲115

    Open-source platform unifying API & UI test automation

    2023 · karatelabs.io · its alternatives →

15. 15
    New way to test APIs with OpenAPI and Postman▲80

    Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀 - apideck-libraries/portman

    2021 · github.com · its alternatives →

16. 16
    Routebase▲106

    Design, mock, test, and document APIs from one living spec. Full test runner built in: suites, scenarios, ten auth schemes, CLI in CI. No OpenAPI needed.

    Jul 2026 · routebase.dev · its alternatives →

17. 17
    API Switch▲95

    Learn API dev while texting

    2024 · its alternatives →

18. 18
    Swagger Inspector▲141

    Free online tool to test APIs and autogenerate documentation

    2018 · swagger.io · its alternatives →

19. 19
    Bearer CLI▲174

    Free & open source security scanner for developers

    2023 · cycode.com · its alternatives →

20. 20
    ApiHome▲73

    Home of API testing

    2022 · apihome.io · its alternatives →

21. 21
    Add a command-line interface to any C++ program▲119

    Add a command interpreter (eg., REPL) to any C++ program - empirical-soft/command-interpreter

    2021 · github.com · its alternatives →

22. 22
    RightNow CLI▲121

    I locked in for 18 hours and built Claude Code for CUDA. It is completely open source! It writes CUDA kernels, debugs memory issues, and optimizes for your specific GPU. It is a fully agentic AI with tool calling built specifically for the CUDA toolkit This is the CLI version of RightNow AI code editor, our GPU-native code editor with a built-in emulator, visual profiling, and remote GPU access. The CLI is open source, lightweight, and fast. It is designed for anyone who wants AI help with CUDA without setup I used Python because it is the most common language, so anyone can build on top of…

    2025 · github.com · its alternatives →

23. 23
    Box CLI▲97

    An open source command line interface from Box

    2017 · developer.box.com · its alternatives →

24. 24
    Karate▲89

    Web-services testing made simple 🥋

    2018 · github.com · 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 →