Open Source Postman Alternatives
The best open source alternative to Postman is Insomnia REST Client. If that doesn't suit you, our users have ranked more than 50 alternatives to Postman and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Postman are HTTPie for Terminal, Hoppscotch, soapUI and Bruno.
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Postman alternatives are mainly API Clients but may also be HTTP Clients or HTTP(S) Debuggers. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Postman.- API Client
- Freemium • Proprietary
- 10 likes57 Yaak alternatives
The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app.
Top Yaak Features
- Autocompletion
- Lightweight
- Ad-free
- Privacy focused
- Dark Mode
- GraphQL API
- Support for Themes
- Works Offline
- No registration required
- Syntax Highlighting
- Portable
- Variables
Yaak VS Postman
Is Yaak a good alternative to Postman? - 4 likes65 RecipeUI alternatives
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!
License model
- Free • Open Source
Application type
Platforms
- Linux
- Mac
- Windows
RecipeUI Features
- REST API
- Development API
- API Management
DiscontinuedThe GitHub repository has been archived in February 2024.
RecipeUI VS Postman
Is RecipeUI a good alternative to Postman? - 9 likes23 xh alternatives
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.
xh Features
- Command line interface
- REST Client
- Lightweight
- Web Testing
- REST API
- Support for Unicode
- Data transfer
xh VS Postman
Is xh a good alternative to Postman? - Like this app52 Chapar alternatives
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.
Chapar Features
- Privacy focused
- No Tracking
- Ad-free
- No registration required
- Dark Mode
- Local Storage
- REST API
- Security-focused
- HTTP Testing
- API Testing
Chapar VS Postman
Is Chapar a good alternative to Postman? - 27 likes27 Requestly alternatives
Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.
License model
- Freemium • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Microsoft Edge
- Google Chrome
- Software as a Service (SaaS)
- Selenium
- Firefox
Top Requestly Features
- Intercepting HTTP calls
- Requests monitoring
- Bug reporting
- Web page Debugging
- One click interception
- Android Development
- Lightweight
- Ad-free
- Dark Mode
- Real time collaboration
- No Coding Required
- Command line interface
Requestly VS Postman
Is Requestly a good alternative to Postman? - 7 likes33 Hurl alternatives
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.
Hurl Features
- Command line interface
- Lightweight
- Portable
- Cross-Platform
- REST API
- API Integration
Hurl VS Postman
Is Hurl a good alternative to Postman? - Like this app51 ArdorQuery alternatives
ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.
License model
- Free • Open Source
Application types
Platforms
- Mac
- Linux
- Flathub
ArdorQuery Features
- REST API
- QA Automation
ArdorQuery VS Postman
Is ArdorQuery a good alternative to Postman?