What are the best API Simulation repositories on GitHub?

The top-ranked API Simulation open source repositories include SpectoLabs/hoverfly, mockzilla/mockzilla, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending API Simulation open source tools?

Browse this curated API Simulation directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are API Simulation GitHub repositories free and open source?

Most API Simulation projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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API Simulation GitHub Repositories (2026) · Open Source Tools

Discover the best API Simulation open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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2 matching projects · updated Nov 12, 2026 How we rank ↗

#1 TRENDING SpectoLabs/hoverfly Go 2015

Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

◇ api-mock ◇ api-mocking ◇ api-simulation ◇ go

232 ↑ +1 today

2.5K

#2 TRENDING mockzilla/mockzilla Go NEW 2026

Open-source OpenAPI mock server with cloud hosting and local modes for development, testing, and CI. Generates realistic API responses from specs with latency simulation, error injection, proxy fallback, and request validation. Validated against 2,200+ real-world OpenAPI specs.

◇ api-management ◇ api-simulation ◇ api-testing ◇ ci-cd

6 ↑ +1 today

111

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API Simulation GitHub Repositories (2026) · Open Source Tools

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