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Cartero

Cartero is a free, open-source developer tool for Windows, macOS and Linux. The free, lightweight and multiplatform graphical HTTP client that respects your privacy. It has 1,052 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at danirod/cartero.

github.com/danirod/cartero (opens in a new tab)

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About Cartero

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 compatible requests.

Install Cartero

Package names found in the project's README. Each links to its package page so you can check the publisher first.

Flathub (Linux)
flatpak install flathub es.danirod.Cartero

Package page (opens in a new tab)

Snap (Linux)
snap install cartero

Package page (opens in a new tab)

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FAQ

Cartero FAQ

Still curious? Email info@appsgit.com.

Is Cartero free and open source?

Yes. Cartero's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Cartero?

Flathub: flatpak install flathub es.danirod.Cartero and Snap: snap install cartero. The commands are on this page. Installers are also on its GitHub Releases page (latest: v26.0).

Is Cartero still maintained?

The repository's most recent commit was on Oct 20, 2026. appsgit only lists apps whose repository had a commit in the last six months.