2. _ allows you to write Ruby script by using only _.
5. Ruby Minisatruby binding for MiniSat, which is an open-source SAT solver
10. concovconcov helps you comprehend continuous changes of coverage.
11. yamanote-quineA self-reproducing program that shapes the station names of Yamanote Line
14. golgiA "Cellular" Viewer for Conwey's Game of Life