Cost / License
- Free
- Open Source (Apache-2.0)
Application typeApplication types
Platforms
- Python
- BSD
- Linux
- Mac
- Windows

Apps similar to Tiger API Client include Bruno, which is open source with a free version. Other options are Postman, Insomnia REST Client, Yaak and ApiArk. You're spoiled for choice with API Clients like Tiger API Client: we list more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.

A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.



Native API client for Windows & Linux — collections, environments, OpenAPI import, Git sync, request chaining, and response testing.




The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.




Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.


RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.

Routebase keeps your API's design, docs, mock servers, contract tests and monitoring in one living OpenAPI spec so they can't drift apart.




EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.
A fast, lightweight REST API client for developers. Test, debug, and organize your APIs locally without cloud sync. Free

apikumo is an API workspace that combines an API client, a hosted documentation site, and a live MCP (Model Context Protocol) endpoint in one place. Design your API once, and every AI agent can call it.


