Fast C++ logging library
A text-based widget toolkit
An open source flight dynamics & control software library
Bitmap & tilemap generation from a single example
TX Library is a tiny graphics library for Win32 written in C++.
A library for scientific data visualization
Linux Library on top of Libc focusing on long term support.
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
JBIG2 Encoder
A library to play Commodore 64 music derived from libsidplay2
Library CONIO GCC C++ for Windows e Linux (POSIX)
LDraw™ editor for LEGO® style digital building instructions.
Z80 shared library including some nice test-projects
New home to HbQt, HbIDE & HbDBU once Harbour SVN hosted contribs.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Simple and flexible programming language for applications development