The Sifflet visual functional programming language and aid to understanding recursive functions (fork of gdweber's sifflet-stable) (http://mypage.iu.edu/~gdweber/software/sifflet/home.html)
#49See sifflet-stable issues
The project 'sifflet-devel' is a fork of 'sifflet-stable'; I will use the issue tracker for sifflet-stable.