Generally, its additional files, such as preference files and application support files, still remains on the hard drive after you delete SL-NTFS from the Application folder, in case that the next time you decide to reinstall it, the settings of this program still be kept. When installed, SL-NTFS creates files in several locations.
However, instead of installing it by dragging its icon to the Application folder, uninstalling SL-NTFS may need you to do more than a simple drag-and-drop to the Trash. SL-NTFS is a third party application that provides additional functionality to OS X system and enjoys a popularity among Mac users. Unlike the software developed for Windows system, most of the applications installed in Mac OS X generally can be removed with relative ease. Chkdsk command line utility or professional tools like GetDataBack for Windows. Mounty will not delete anything by itself, please try to restore your files on a Windows PC using usual recovery s/w, i.e. The NTFS partition might be marked as 'dirty' and the Apple NTFS driver cannot recover from that situation. It helps users read, write, copy, edit, delete and move files on NTFS drives on Mac, and also transfer files between Windows and Mac computers without formatting. It is able to mount Microsoft-NTFS drives in read-write mode on Mac.
IBoysoft NTFS for Mac is a full-featured NTFS driver for macOS and OS X.