FLTK Toolkit

• Brain FLTK by Yaroslav Volovich  - Parallel applications designing with FLTK, includes screenshots and links.
• FLTK - Fast Light Toolkit  - Designed to be small and modular, a cross-platform C++ GUI toolkit for Linux/UNIX. Provides articles, download and forums.
• FLTK Extensions by Alexey Parshin  - Designed to work with FLTK, contains information on SPDB and SPTK library. Plus screenshots, themes and documentation.
• VtkFLTK Bridge Library  - Small library of C++ classes. Includes documentation, project summary, requirements and brief overview.