Mounty for NTFS - A tiny tool to re-mount write-protected NTFS volumes under Mac OS X 10.9+ in read-write mode.
DiskInternals Linux Reader - A freeware tool for extracting files from Ext2/Ext3/Ext4, hfs and ReiserFS partitions in Windows
Tuxera NTFS for Mac - Microsoft NTFS for Mac by Tuxera brings reliable read-write compatibility for all NTFS-formatted USB drives on your Mac. Try free for 15 days.
Paragon ExtFS - Provides MacOS and Windows machines native access to the Linux OS ext file system family.
OSXFUSE - FUSE for OS X allows you to extend OS X's native file handling capabilities via third-party...
Ext2Read (Ext2Explore) - Ext2Read is an explorer like utility to explore ext2/ext3/ext4 files. It now supports Linux LVM2.