Bass audio Library
https://www.un4seen.com/ (https://www.un4seen.com/)
Fbsound-1.2 library
https://www.freebasic.net/forum/viewtopic.php?t=28905&hilit=fbsound (https://www.freebasic.net/forum/viewtopic.php?t=28905&hilit=fbsound)
FLTK-c GUI Library
https://www.freebasic.net/forum/viewtopic.php?t=24547&hilit=fltk (https://www.freebasic.net/forum/viewtopic.php?t=24547&hilit=fltk)
Window9 GUI Library (for windows and linux)
https://www.freebasic.net/forum/viewtopic.php?t=17058&hilit=window9 (https://www.freebasic.net/forum/viewtopic.php?t=17058&hilit=window9)
FBTrueType Libarary
https://www.freebasic.net/forum/viewtopic.php?t=25083 (https://www.freebasic.net/forum/viewtopic.php?t=25083)
Window9 GUI Library Setup for FreeBASIC 32 bit Windows