我再补充下
gerbv - Gerber file viewer for PCB design
kicad - Electronic schematic and PCB design software
pcb - printed circuit board (pcb) design program
graphviz - rich set of graph drawing tools
atlc - Arbitrary Transmission Line Calculator
drawtiming - tool for documenting hardware designs through timing diagrams
ecos - Deeply embedded operating system
ferret - CASE tool for data model editing
htag - A tagline/.signature adder for email, news and FidoNet messages.
maria - reachability analyzer for Algebraic System Nets
proguard - java class file shrinker, optimizer, and obfuscator
r-cran - GNU R package for financial engineering
splat - analyze point-to-point terrestrial RF communication links
tcpreen - Simple TCP re-engineering tool
texlive-publishers - TeX Live: Support for publishers
varkon - A CAD-system with parametric modelling
esix - PDP-8 Engineering and Scientific Interpreter eXtend
