Created attachment 385274 [details] logisim-bin-2.7.1.ebuild Hi! Please find attached logisim-bin-2.7.1.ebuild which fetches .jar file from sourceforge. Logisim is an educational tool for designing and simulating digital logic circuits. And it is used by students at colleges and universities around the world. As a student who majors in computer science, I think it is very useful for student users. So I suggest sci-electronics/logisim-bin. Thanks.