A toolkit is an assembly of tools; set of basic building units for user interfaces.
The word toolkit may refer to:

Abstract Window Toolkit
Accessibility Toolkit
Adventure Game Toolkit
B-Toolkit
Cheminformatics toolkits
Dojo Toolkit
Fox toolkit
GTK, the GIMP Toolkit
Google Web Toolkit (GWT)
Harmony (toolkit), an incomplete set of software widgets
Helsinki Finite-State Technology (HFST)
Insight Segmentation and Registration Toolkit
IT Mill Toolkit
Molecular Modelling Toolkit
Multidimensional hierarchical toolkit
Sun Java Wireless Toolkit
OCR SDK, OCR Toolkit
OpenGL Utility Toolkit (GLUT)
Open Inventor 3D graphics API
Qt
Motif
Natural Language Toolkit
Portable, Extensible Toolkit for Scientific Computation
Scedu Tender Readiness Toolkit
Standard Widget Toolkit (SWT)
Synthesis Toolkit
Template Toolkit
The Coroner's Toolkit, computer programs for digital forensic analysis
User Interface Toolkit (UIM)
X Toolkit Intrinsics

View More On Wikipedia.org