Paragon Software Group (http://www.paragon-software.com) has released NTFS for Mac 12, adding support for Mac OS X Yosemite. It delivers full read and write support for NTFS-formatted drives
Eliminating boundaries between Mac and Windows operating systems, Paragon NTFS for Mac 12 achieves the speed of native drivers with test results 120 MB/sec during read and write operations on USB3.0 external media, according to the folks at Paragon. With version 12, Mac users are provided full read and write access to Microsoft NTFS volumes, allowing for the transfer of existing files back and forth between Mac and Windows.
Users of Paragon NTFS for Mac OS X 11 get a free upgrade to NTFS for Mac 12. For new users the cost is US$19.95.