Dev tools · alternatives · 2026
24 alternatives to FixtureKit
Turn TypeScript interfaces into realistic mock data
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
- 2CM
2023 · butlermock.online · its alternatives →
- 3
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We recently added AI workflow to our drag and drop Wireframe editor. It is mainly for low fidelity wireframe generation
2018 · wireframes.org · its alternatives →
- 5
StopLight▲137Mock, document, and test your way to API nirvana.
2016 · stoplight.io · its alternatives →
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Free online tool to test APIs and autogenerate documentation
2018 · swagger.io · its alternatives →
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With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.
2016 · stoplight.io · its alternatives →
- 12
Inspect webhook payloads with automatic type generation
2022 · typedwebhook.tools · its alternatives →
- 13
Hi HN! I’m Tony, co-founder of Inngest. I wanted to share AgentKit, our Typescript multi-agent library we’ve been cooking and testing with some early users in prod for months. Although OpenAI’s Agents SDK has been launched since, we think an Agent framework should offer more deterministic and flexible routing, work with multiple model providers, embrace MCP (for rich tooling), and support the unstoppable and growing community of TypeScript AI developers by enabling a smooth transition to production use cases. This is why we are building AgentKit, and we’re really excited about it for a few…
2025 · github.com · its alternatives →
- 14
Hi Hacker News! My name is Sagar, I’m working on a startup called Speakeasy - we’re making all APIs self-service. The platform is currently in beta, but we’re independently launching this tool which you can use to generate language-idiomatic, statically-typed TS SDKs from any public OpenAPI schemas. We hope to continue iterating on this to give devs a way to easily generate high fidelity client SDKs for all the major languages. Inspiration for this product is from past experiences struggling with OpenAPI. I was originally optimistic about using the OpenAPI tools to build out our offering,…
2022 · easysdk.xyz · its alternatives →
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Mock Turtle▲72GUI approach to generating realistic mock JSON data
2022 · mockturtle.net · its alternatives →
- 16
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 →
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Your everyday developer toolkit, online and free.
2025 · mtkits.com · its alternatives →
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Contribute to olup/zod-chatgpt development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 20TT
Today I am introducing HN to my sideproject 'testeranto'. It is a test framework for TS projects which leverages Aider to automatically fix broken tests. tl;dr: https://www.youtube.com/watch?v=WvU5xMqGi6Q
2025 · npmjs.com · its alternatives →
- 21MA
Hi all, this is my latest side project: MockingBot, it's a pure JS/HTML based online iOS mockup tool. It only supports iPhone at now, but iPad will be added soon. http://mockingbot.com we build this tool mainly for UI/UX designers and project managers, but as I'm a developer, so I'm glad to hear your opinions about our product and i'll be very appreciate if you can help answering below question: which prototype tool do you use to mock-up your mobile app? and which feature attract you most? any comments are welcome.
2012 · mockingbot.com · its alternatives →
- 22
Progressive Web App for generating mocked data from an OpenAPI specification - Fredx87/openapi-mock-generator
2020 · github.com · its alternatives →
- 23MS
2018 · mocktastic.com · its alternatives →
- 24AM
I made an open source, MIT license Typescript library based on some of the latest research that generates prompt injection attacks. It is a super minimal/lightweight and designed to be super easy to use. Keen to hear your thoughts and please be responsible and only pen test systems where you have permission to pen test!
2025 · prompt-injector.blueprintlab.io · its alternatives →
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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 →