Weak signal ham radio communication
Cross-platform, scientific graphics plotting library
Snd is a sound editor
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
A framework for solving partial differential equations
A scientific plotting library for C/Fortran built on cairo
Build Systems for WSJT Applications
A full featured cross-platform image library
PHIGS (Programmer's Hierarchical Interactive Graphics System)