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.
France
EU
HarborClient Alternatives
HarborClient is described as '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' and is an app in the development category. There are more than 50 alternatives to HarborClient for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best HarborClient alternative is Bruno, which is both free and Open Source. Other great apps like HarborClient are Postman, Insomnia REST Client, Yaak and Hoppscotch.
Alternatives list
45 Tiger API Client alternatives
86 soapUI alternativesEviware, the maker of soapUI, Web Service Testing Leader
soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and compl.
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xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.
16 Reqable alternativesReqable is a modern cross-platform project, designed for API development, testing, and debugging. Reqable fully supports HTTP1 and HTTP2 and partially supports HTTP3(QUIC).
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Flathub
- Flatpak
+9
API testing tool. Which allows web developers to create and test custom HTTP requests.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Chrome OS
- AppImageHub
- Google Chrome
- Chromium
Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Windows
- Flathub
- Flatpak
- Nix Package Manager
- Mac
RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!
+7
Cost / License
- Free
- Proprietary
Platforms
- Visual Studio Code
- Mac
- Windows
- Linux
+2
43 Hurl alternativesHurl 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.
Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
United States
Poland
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