New version 3.55 is now available:

- Introducing the new Lilypond music sheet engraver (embedded in the package)

- DMX lighting synchronization with music

   Download Windows Installer

Note: Expresseur is not frequently downloaded or installed. A warning may appear to inform you of a potential risk in installing Expresseur. If you trust Expresseur, proceed with the installation. If not, consider contacting the developer at frevolle@gmail.com to discuss your concerns.

   Download the Mac OS X zip app.

The package is buit for Mac OS X versions newer than 10.15 Catalina (for older versions up to 10.11, please contact the developer at frevolle@gmail.com).

After downloading, unzip the file by double-clicking on it, then move the Expresseur app to your Applications folder.

Note: Expresseur is not registered in the Mac App Store, so you may encounter a security warning during installation and the first launch. You will need to explicitly authorize Expresseur to run on your machine in the OS settings. If you trust Expresseur, proceed with the installation. If not, consider reaching out to the developer at frevolle@gmail.com to address any concerns.

The open-source code for Expresseur is available on GitHub. A GNUmakefile is provided for compilation on the Linux platform, though the compilation hasn't been tested since version 3.4. For assistance, you can reach out to the developer at frevolle@gmail.com.