NTFS write on MAC

First

 'Seagate NTFS driver for MAC' here: seagate.com/support/external-hard-drives/portable-hard-drive‌​s/… note that it is for Seagate portable external HDDs. - its free 

Enable ntfs write support in Mavericks

You can enable write support for ntfs in Mavericks.

I have linked to instructions on how to do this, but the gist of it is to edit the /etc/fstab file and add a line for each ntfs drive you want to write to:

 LABEL=device-name  none    ntfs    rw,auto,nobrowse

changing "device-name" to the name of your ntfs drive.

This is a per device hack. and careful while dragging and dropping, might corrupt the ntfs filesystem (do a careful copy paste), incase if you see missing folders/dirs connect the disk in windows system and allow it to fix the filesystem.

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Third party software

Alternatively, there is a lot of third party software to give you full ntfs support, such as Paragon NTFS, or the open source NTFS-3G for FUSE which is utilized in the closed source Tuxera NTFS, or an old standard from Thursby Software, DAVE

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MacPorts

NTFS-3G and OSXFUSE are available for a free, package managed source or binary installation using the missing package manager for OS X, MacPorts. It is based off of FreeBSD's ports system, which is based off the finest package management system known to exist, of course I mean, NetBSD's pkgsrc. It won't let you down!

Installing MacPorts, NTFS-3G and OSXFUSE is simple enough once xcode (for Mavericks 10.9 xcode_5.1.1.dmg) is installed. Install xcode, and then enter these commands in Terminal.app :

 curl -Ok https://distfiles.macports.org/MacPorts/MacPorts-2.2.1.tar.bz2
 tar xf MacPorts-2.2.1.tar.bz2
 cd MacPorts-2.2.1
 ./configure
 make
 sudo make install #not war!
 cd ..
 rm -rf Macports-*
 sudo /opt/local/bin/port -v selfupdate
 export PATH=$HOME/macports/bin:$HOME/macports/sbin:$PATH
 export MANPATH=$HOME/macports/share/man:$MANPATH
 sudo port -vsc install ntfs-3g     # osxfuse is a dependency, macports will install it for you when you instsall ntfs-3g
 diskutil quiet repairPermissions /

MacPorts is worth getting to know as it is a mature package manager for OS X that maintains thousands of open source software commands, utilities, and applications. It will not interfere with any other package system you happen to use, and it is very easy to completely remove, if necessary.

If for whatever reason you need to remove MacPorts...

to completely uninstall MacPorts

 sudo port -dfp uninstall --follow-dependencies installed

 sudo port -dfp uninstall all

 sudo rm -rf /opt/local  

 sudo rm -rf /Library/Tcl/macports*