Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can capture values, evaluate queries on headers and body response. It is very versatile: it can be used for both fetching data and testing HTTP sessions.
France
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Tiger API Client Alternatives
Tiger API Client is described as 'Free, open source, git-native API client. A local-first, account-free Postman alternative with a built-in MCP server, SOAP/GraphQL, request chaining and performance runs' and is a API Client in the ai tools & services category. There are more than 25 alternatives to Tiger API Client for a variety of platforms, including Windows, Mac, Linux, Web-based and Flathub apps. The best Tiger API Client alternative is Bruno, which is both free and Open Source. Other great apps like Tiger API Client are Postman, Insomnia REST Client, Yaak and ApiArk.
Alternatives list
Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.
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Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import/export in light or dark themes.
+9
HarborClient is a free, open-source desktop API client for macOS, Windows, and Linux. It gives you a familiar Postman-style workspace—collections, environments, request scripts, and a tabbed editor—while keeping your work on your machine or on storage you control.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Mac
- Linux
A free, open-source Postman-style API tester you run locally. Record browser requests, auto-generate chained tests, and ship them straight to your CI—no sign-ups, no cloud, just code.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Google Chrome
- Software as a Service (SaaS)
- Mozilla Firefox
Build, test, and debug your APIs with a self-hosted tool that does what you actually need. Scripts, environments, OAuth 2.0, code generation, and an AI wizard that builds collections from your docs — no account required, no limits.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Docker
- Self-Hosted
+1
Keep your http requests in a single file that lives in your projects repo. This app lets you run your http requests from a .http file and includes features like load testing, pre and post request scripts, and request chaining.
+5
Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Visual Studio Code
The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.
+2
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