You can find fml8 under /fmlsrc in anoncvs.fml.org.
If you have cvs account of cvs.fml.org, use cvs over ssh.
cvs -d cvs.fml.org:/cvsroot co fmlsrc
author's homepage is www.fml.org/home/fukachan/.
Also, visit nuinui's world :) at www.nuinui.net.
For questions about FML, e-mail <fml-bugs@fml.org>.