Free & Open-Source Adobe Digital Editions Alternatives

E-book reader for DRM-protected files.

1. Calibre ↗ ★ PICKFOSSPRIVATE
   E-book library manager + converter.
   ●○○Easy · Reads common file formats
2. Foliate ↗ FOSSPRIVATE
   Modern Linux e-book reader.
   ●○○Easy · Reads common file formats