OpenTNF is a system-level tracing facility for capturing and presenting diagnostic information and performance metrics. Linux/Intel (kernel 2.2.x) is the initial target platform. The OpenTNF project is seeking developers for ports to other platforms.
XGKS is a level 2C implementation of the ANSI Graphical Kernel System (GKS) for use in a Unix environment with the X Window System. It supports the Fortran language binding and a C language binding based on the 1988 draft.