FTLK Stuff
- A cartesian library for plotting 2D graphs and graphic objects, a plotting widget for postscripts exporting, and a text rotation widget.
- http://phy19.phy.tcd.ie/fltk/

Parallel Applications
- For designing parallel applications with threads.
- http://yaroslav-v.chat.ru/

Mikes FLTK Widgets and Programs
- A set of widgets for instrumentation interface and 2D data plotting.
- http://www.kiwacan.co.nz/fltk/index.html

Simply Powerful Toolkit
- An extension of widgets plus an interface to create fast and compact operative system independent ODBC database access.
- http://www.total-knowledge.com/~sptk/

Erco's FLTK Cheat Page
- A collection of sort examples codes of frequent use that can be cut and paste.
- http://seriss.com/people/erco/fltk/

FLTK Video Tutorials
- A collection of flash videos tutorials showing how to develop programs and how use the graphic tool Fluid, which is include into the library distribution.
- http://seriss.com/people/erco/fltk-videos/

Gmsh
- A meshing tool for academic problems with parametric input and advanced visualization capabilities, integrating a build-in CAD engine and post-processor to generate automatic three dimensional finite element grid.
- http://www.geuz.org/gmsh/

Fl_Term
- A widget that supports VT100 terminal emulation sequences.
- http://www.imm.uklinux.net/flterm.html

Fl_Table
- A generic row/column widget to encapsulate rows and columns of any kind of widgets, or even custom widgets that are entirely based on the low level.
- http://www.seriss.com/people/erco/fltk/Fl_Table/

Gnuplot Widget
- A front end widget to embed the command driven interactive function plotting program Gnuplot into your applications.
- http://www.gel.ulaval.ca/~jackt/fltk/

FLTK Dock
- Is a dockable window framework providing of advance customizable toolbar and window with docking, floating and other functionalities.
- http://fltkdock.sourceforge.net/index.html

Yves Usson's Softwares
- A set of widgets and a complete scientific calculator.
- http://www-timc.imag.fr/Yves.Usson/personnel/mysofts.html

Equinox Desktop Environment
- Equinox Desktop Environment is simple and small graphical desktop environment for UNIX operating systems [GPL, LGPL].
- http://ede.sourceforge.net/page/

pyFLTK
- A Python binding library.
- http://pyfltk.sourceforge.net/

Ruby/FLTK
- A Ruby binding library.
- http://ruby-fltk.sourceforge.net/

Beginner FLTK Tutorial
- A beginner tutorial for those C++ programmers who wish just to start coding their own applications.
- http://www3.telus.net/public/robark/

GIDForums
- A forum including syntax highlighted source code examples and tutorials.
- http://www.gidforums.com/f-48.html

vtkFLTK
- A class library for the composition of graphical interfaces with visualization facilities by bridging disparities between FLTK and VTK event. [GNU, BSD]
- http://vtkfltk.sourceforge.net/

FLTK
- The Fast Light Toolkit is a cross-platform Graphical User Interface (GUI) written in C++ library and can be use on UNIX/Linux, Microsoft Windows(tm), MacOS X(tm), and many oder operative systems, it support 3D graphics via OpenGL and built-in GLUT emulati
- http://www.fltk.org/