Postman AlternativesOnly apps from the EU

The best alternative to Postman is Advanced REST Client, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Postman and 17 are so hopefully you can find a suitable replacement. Other interesting alternatives to Postman are Roster HTTP Client, Tiger API Client, Voiden.md and Cartero.

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Postman alternatives are mainly API Clients, but if you're looking for HTTP Clients or Web Testing Tools you can filter on that. Other popular filters include Web Development, Online, Open Source, Linux, Mac, Windows and Self-Hosted. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Postman.

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Get a badge for your sitePostman alternatives page was last updated Aug 23, 2026

Advanced REST Client
28 likes
API testing tool. Which allows web developers to create and test custom HTTP requests.
78 Advanced REST Client alternatives
Cost / License
Free
Open Source
Application typeApplication types
API Client
HTTP Client
Origin
Poland
EU
Alerts
Discontinued
Platforms
Mac
Windows
Linux
Chrome OS
AppImageHub
Google Chrome
Chromium
Poland
EU
Good alternative?Is Advanced REST Client a good alternative to Postman?

|
3comments
Discontinued
The latest version (17.0.9) is from March 2022.
Advanced REST Client vs Postman Comments
Positive comment by patheticcockroach · Dec 17, 2019
Better features than Postman for my use case: I need full control over the headers, including the ability to remove them all, something which Postman doesn't allow to do (they add tons of junk headers)
Positive comment by blur HY · Sep 14, 2019
It has all features postman has, and it's modern
Negative comment by Guest · Aug 12, 2020
The import request are so bad
3 of 3 comments
Advanced REST Client is Free and Open SourcePostman is Freemium and Proprietary
Roster HTTP Client
6 likes
HTTP client for GNOME featuring GTK 4 UI, organized project management, request history, secure environment variables, JavaScript scripts for preprocessing, export in cURL and more formats, syntax-highlighted response viewing, and advanced request customization.
Cost / License
Free
Open Source (GPL-3.0)
Application type
HTTP Client
Origin
Czechia
EU
Platforms
Linux
Flathub
Flatpak
GNOME
Czechia
EU
Good alternative?Is Roster HTTP Client a good alternative to Postman?
Tiger API Client
6 likes
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.
Cost / License
Free
Open Source (MIT)
Application type
API Client
Origin
France
EU
Platforms
Mac
Windows
Linux
France
EU
Good alternative?Is Tiger API Client a good alternative to Postman?
Voiden.md
7 likes
Voiden.md is an offline-first, Git-native API workspace that unifies specs, docs, tests, and mocks using programmable Markdown blocks. Build APIs the way you actually work.
Cost / License
Free
Proprietary
Application type
API Client
Origin
Netherlands
EU
Platforms
Mac
Windows
Linux
Netherlands
EU
Good alternative?Is Voiden.md a good alternative to Postman?
Cartero
5 likes
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
HTTP Client
Origin
Spain
EU
Platforms
Linux
Windows
Flathub
Flatpak
Nix Package Manager
Mac
Spain
EU
Good alternative?Is Cartero a good alternative to Postman?
Hurl
7 likes
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.
46 Hurl alternatives
Cost / License
Free
Open Source (Apache-2.0)
Application typeApplication types
API Client
HTTP Client
Origin
France
EU
Platforms
Mac
Windows
Linux
France
EU
Good alternative?Is Hurl a good alternative to Postman?
Treblle
3 likes
Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.
Cost / License
Freemium
Proprietary
Origin
Croatia
EU
Platforms
Mac
Windows
Online
Android
iPhone
Android Tablet
iPad
Software as a Service (SaaS)
Croatia
EU
Good alternative?Is Treblle a good alternative to Postman?
Curlie
1 like
If you like the interface of HTTPie but miss the features of curl, curlie is what you are searching for. Curlie is a frontend to curl that adds the ease of use of httpie, without compromising on features and performance.
Cost / License
Free
Open Source (MIT)
Application typeApplication types
HTTP Client
API Client
Origin
France
EU
Platforms
Mac
Windows
Linux
BSD
France
EU
Good alternative?Is Curlie a good alternative to Postman?
Ain
Like
Ain is a command-line HTTP API client. It's an alternative to postman, paw or insomnia. It enables scripting of input and further processing of output. It targets command-line users who work with API:s using a simple file format.
Cost / License
Free
Open Source (MIT)
Origin
Sweden
EU
Platforms
Mac
Windows
Linux
Raspberry Pi
Sweden
EU
Good alternative?Is Ain a good alternative to Postman?
OpenReq
2 likes
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)
Origin
Hungary
EU
Platforms
Windows
Docker
Self-Hosted
Hungary
EU
+1
Good alternative?Is OpenReq a good alternative to Postman?
OlympAPI
1 like
Native API client for Windows & Linux — collections, environments, OpenAPI import, Git sync, request chaining, and response testing.
Cost / License
Freemium
Proprietary
Application typeApplication types
API Client
HTTP Client
Origin
Germany
EU
Platforms
Windows
Linux
Germany
EU
+4
Good alternative?Is OlympAPI a good alternative to Postman?
A
A
Apiboo
1 like
Native desktop workspace for macOS, Windows, Linux combining REST and GraphQL API requests, Postman and OpenAPI import, PostgreSQL/MySQL/SQLite management, SSH/SFTP, encrypted vault for credentials, docs, Kanban boards, offline use, and integrated team chat.
18 Apiboo alternatives
Cost / License
Freemium
Proprietary
Application typeApplication types
Database Management Tool
API Client
Origin
Austria
EU
Platforms
Mac
Windows
Linux
Austria
EU
+9
A
Good alternative?Is Apiboo a good alternative to Postman?

12 of 17 Postman alternatives