Official and community-maintained versions are available across several platforms:
The game saves your worlds in your browser's local storage (LocalStorage). Eaglercraft --39-LINK--39- Download Offline
: A repository containing offline-ready HTML files for versions ranging from Indev to 1.12.2. How to Use the Offline Client comes with several exciting updates
The latest version, Eaglercraft 1.39, comes with several exciting updates, including: Eaglercraft --39-LINK--39- Download Offline