Ext2Read funciona bem. Também pode abrir & ler imagens de disco (por exemplo: imagens de disco Wubi)
Ext2Read is an explorer like utility to explore ext2/ext3/ext4 files. It now supports LVM2 and EXT4 extents. It can be used to view and copy files and folders. It can recursively copy entire folders. It can also be used to view and copy disk and file