There are several options on how to get and install SeaLion.

  • If you are already using Eclipse, we recommend to install SeaLion and its plugins from within Eclipse.
    Information on how to do this can be found in our Getting Started Tutorial and here.

  • Otherwise you can download one of the pre-configured standalone packages:
    The Eclipse SeaLion Edition is a special Eclipse Edition including SeaLion and all available plugins and can be downloadedfrom our sourceforge file repository:


    Requirements: Java Runtime (get it here)

  • You may also copy the SeaLion plugins manually into an existing Eclipse installation.

SeaLion is free software. If you are interested in the source code or want to join the development of SeaLion please visit our Developer Section that provides links to our SVN repository.