An editor to manage your project
Solarus Quest Editor is a free and open-source game editor for Solarus, licensed under GPL. It is written in C++ with Qt. It helps you managing your project, and editing maps, sprites, tilesets, dialogs, scripts, musics and sounds. Note that Solarus Quest Editor is included in the download package, on the Downloads page. Have a look at the tutorials to learn how to create your own quest!