FLTK 1.3.5-GCC-8.3.0

There is a newer version of FLTK

FLTK is a cross-platform C++ GUI toolkit for UNIX/Linux (X11), Microsoft Windows, and MacOS X. FLTK provides modern GUI functionality without the bloat and supports 3D graphics via OpenGL and its built-in GLUT emulation.

Accessing FLTK 1.3.5-GCC-8.3.0

To load the module for FLTK 1.3.5-GCC-8.3.0 please use this command on the BEAR systems (BlueBEAR, BEARCloud VMs, and CaStLeS VMs):

module load FLTK/1.3.5-GCC-8.3.0

BEAR Apps Version




The listed architectures consist of two part: OS-CPU.

  • BlueBEAR: The OS used on BlueBEAR is represented by EL and there are several different processor (CPU) types available on BlueBEAR. More information about the processor types on BlueBEAR is available on the BlueBEAR Job Submission page.
  • BEAR and CaStLeS Cloud VMs: These VMs can have one of two OSes. Those with access to a BEAR Cloud or CaStLeS VM should check that the listed architectures for an application include the OS of VM being used. The VMs, irrespective of OS, will use the haswell CPU type.

More Information

For more information visit the FLTK website.


This version of FLTK has a direct dependency on: GCC/8.3.0 libGLU/9.0.1-GCCcore-8.3.0 libjpeg-turbo/2.0.3-GCCcore-8.3.0 libpng/1.6.37-GCCcore-8.3.0 Mesa/19.1.7-GCCcore-8.3.0 xprop/1.2.4-GCCcore-8.3.0 zlib/1.2.11-GCCcore-8.3.0

Required By

This version of FLTK is a direct dependent of: MIRTK/20210104-foss-2019b-Python-3.7.4 MIRTK/20210104-fosscuda-2019b-Python-3.7.4 RELION/3.1.1-foss-2019b RELION/3.1.1-fosscuda-2019b RELION/3.1.1-foss-2019b-ppc64le RELION/3.1.1-fosscuda-2019b-ppc64le

Other Versions

These versions of FLTK are available on the BEAR systems (BlueBEAR, BEARCloud VMs, and CaStLeS VMs). These will be retained in accordance with our Applications Support and Retention Policy.

Last modified on 2nd December 2020