Mount ext4 filesystem on macOS
by hackprime
1) Install ext4fuse.
brew cask install osxfuse
brew install ext4fuse
2) Select partition.
diskutil list
/dev/disk3 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk3
1: Microsoft Basic Data 3.0 TB disk3s1
3) Mount.
sudo ext4fuse /dev/disk3s1 ~/Disk -o allow_other
Works in El Capipan and upper.