You could have downloaded NKTools 1.2 from our software library for free. The most popular version among the software users is 1.2. The program relates to System Utilities. The default filename for the program's installer is NKTools.exe. This free tool was originally developed by NK-Tools.
From the developer:
NKTools is a software provide user's interface for Nokia mobile phones for Windows 95/98/Me/NT/2000 operating systems. NKTools features: Phone Book(free), Caller groups(free), Direct dial, Text messages, Calendar, Profiles-Activate, Profiles-Activate, Profiles-Personalise, Profiles-Rename, Custom Graphics and Logos, Picture, Message, Welcome Note.
You may want to check out more software, such as Garmin StreetPilot i2/i3 North America, QuickSpell English or HanDBase® for Series 60, which might be related to NKTools.