A basic graphical synth (can plot waves). Two oscillators, 3 filter each. It's a very simply app, thought to make understand influence of wave params on wave form plottend in time domain. Enjoy it!
A -> DO
S -> RE
D -> MI
F -> FA
G -> SOL
H -> LA
J -> SI
K -> DO
L -> RE
Open the terminal and navigate to the folder Synth, then type:
$ make
$ su
# ./synth
liballegro 5 https://github.com/liballeg/allegro5