Skip to content
OpenAlternative
Ad Logto - Modern auth infrastructure for developers. Learn More

Yaak

A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.

Open Source Alternative to:
Postman Testfully
Visit Yaak Host with Stellar Hosted
Claim
Screenshot of Yaak

A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.

It is positioned as an open-source alternative to Postman, Testfully.

Primary category: API Clients.

Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript.

Review the imported record before publishing or editing SEO copy.

What is Yaak?

Yaak is an open source project listed in the OpenAlternative directory. It is useful for teams comparing software options, evaluating self-hosted tools, and replacing proprietary services with transparent alternatives.

Alternative use case

Yaak can be considered when you are looking for open source alternatives to tools such as Postman, Testfully.

Technology stack

Yaak is associated with technologies including Bash, CSS, Github Actions, JavaScript, JSX, NodeJS, npm, React, which can help developers understand how it fits into an existing engineering stack.

Categories:

API Clients

Tags:

bruno-alternative graphql grpc http http-client insomnia-alternative postman-alternative sse tauri websocket

Built with:

Bash CSS Github Actions JavaScript JSX NodeJS npm React Tailwind TypeScript Vite Zod

Similar open source projects

View all tools

Bruno ✓

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features. It is positioned as an open-source alternative to Postman, Testfully. Primary category: API Clients. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Stars44.6K Forks2.5K Last commit6 days ago
Alternative to:
Postman
Postman

Open source replacements for Postman with similar workflows, integrations, and product use cases.

11 alternatives

Firecamp ✓

All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.

All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle. It is positioned as an open-source alternative to Postman, Testfully. Primary category: API Clients. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Typescript, Eslint. Review the imported record before publishing or editing SEO copy.

Stars2.6K Forks167 Last commit3 months ago
Alternative to:
Postman
Postman

Open source replacements for Postman with similar workflows, integrations, and product use cases.

11 alternatives

Gravitee ✓

Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise

Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance. It is positioned as an open-source alternative to Postman, Kong, Apigee, Zuplo. Primary category: API Infrastructure. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Stars416 Forks115 Last commit3 days ago
Alternative to:
Amazon API Gateway
Amazon API Gateway

Open source replacements for Amazon API Gateway with similar workflows, integrations, and product use cases.

4 alternatives

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface. It is positioned as an open-source alternative to Postman, Testfully. Primary category: API Clients. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Stars79.4K Forks5.9K Last commit1 week ago
Alternative to:
Postman
Postman

Open source replacements for Postman with similar workflows, integrations, and product use cases.

11 alternatives

HTTPie ✓

Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency. It is positioned as an open-source alternative to Postman, Testfully. Primary category: API Clients. Detected stack: Github Actions, Bash, Docker, Python, Dependabot, Ruby. Review the imported record before publishing or editing SEO copy.

Stars4K Forks56 Last commit14 months ago
Alternative to:
Postman
Postman

Open source replacements for Postman with similar workflows, integrations, and product use cases.

11 alternatives

Insomnia ✓

Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.

Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms. It is positioned as an open-source alternative to Postman, Testfully. Primary category: API Clients. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Stars38.5K Forks2.3K Last commit3 days ago
Alternative to:
Postman
Postman

Open source replacements for Postman with similar workflows, integrations, and product use cases.

11 alternatives