Keploy vs Yaak

A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureKeployYaak
Deploy effortUnder-an-hour setupRead-the-docs project
Health score95 · Excellent96 · Excellent
CategoryDeveloper Tools & GitDeveloper Tools & Git
LicenseApache-2.0MIT
LanguageGoTypeScript
Setup difficultyMediumEasy
Min. RAM256 MB256 MB
Deploymentdocker, binarybinary, source
GitHub stars★ 18,479★ 19,253
First released20222024
ReplacesPostmanPostman, Insomnia

What are Keploy and Yaak?

Keploy

Keploy is an open-source testing toolkit that records API calls and database interactions to automatically generate test cases and data mocks. It is self-hosted as a CLI and server for backend testing.

  • Tests from real traffic
  • Auto-generated mocks
  • CI integration
  • No code changes needed

Read the full Keploy guide →

Yaak

Yaak is a desktop API client for sending HTTP, GraphQL, and gRPC requests, designed to be fast and privacy-respecting. It stores data locally and supports plugins and Git-friendly workspaces.

  • REST, GraphQL and gRPC support
  • Local data storage
  • Plugin system
  • Git-friendly workspaces

Read the full Yaak guide →

Keploy vs Yaak: key differences

Keploy is written in Go, while Yaak is built with TypeScript. Licensing differs — Apache-2.0 for Keploy versus MIT for Yaak. Keploy is the more established project (first released 2022), while Yaak arrived in 2024. Keploy lists first-class Docker deployment; Yaak does not.

Why pick each one

Choose Keploy if…

  • Tests from real traffic
  • Automatic mock generation
  • CI-friendly CLI

Watch out for

  • Linux-centric capture
  • Setup varies per stack
Keploy details

Choose Yaak if…

  • Fast native app
  • Local-first data storage
  • Git-friendly workspaces

Watch out for

  • Younger than rivals
  • No built-in cloud sync
Yaak details

Frequently asked questions

Is Keploy or Yaak better?

Yaak is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Keploy if its specific feature set fits your needs better.

Are Keploy and Yaak free and open-source?

Yes. Keploy is licensed under Apache-2.0 and Yaak under MIT. Both can be self-hosted at no software cost.

Can I run Keploy and Yaak with Docker?

Keploy: yes. Yaak: check the project docs for container support.

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