Download Ceylon

Ceylon 1.0.0 “No More Mr Nice Guy” is now available for download! This is the first production-ready release of the language, command line tools, and IDE.

Command line tools

This package contains the Ceylon command line compiler for Java and JavaScript virtual machines, the documentation compiler, the language module, and the module runtime.

Zip archive All Operating Systems download
RPM Fedora/Red Hat download
DEB Debian/Ubuntu download

Mac OS X users running the Homebrew package manager can easily install Ceylon:

brew update
brew install ceylon

To upgrade a previous brew installation:

brew update
brew upgrade ceylon

Instructions for getting started are contained in the file in the root directory of the distribution, or right here in GitHub. To know what's precisely in the release, read our announcement.

Ceylon IDE

Ceylon IDE is a suite of plugins for Eclipse, available from our update site.

Ceylon IDE Eclipse Kepler/Juno follow these instructions

After installing, go to Help > Welcome to Ceylon to get started.


The Ceylon Platform Modules that make up the Ceylon SDK may be obtained from Ceylon Herd. You don't need to download the modules yourself, since the compiler, IDE, or runtime will automatically fetch the modules as needed.

Source code

The source code is available from GitHub.

Looking for older releases?

You can download every previous Ceylon release.