Hey bro
I think they used fltk 1
and Tinycore is a continuation of DSL, made by one of the DSL devs
and it uses fltk2 I think
qouted from homepage
Quote:
Tiny Core Linux is a very small (10 MB) minimal Linux GUI Desktop. It is based on Linux 2.6 kernel, Busybox, Tiny X, and Fltk
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