Open Source Software
Open Source Softwares
Open source Download Link Useage where
Scilab http://www.scilab.org/products/scilab/download Engineering   (Electrical,
Mechanical, Civil,
Electronics,   Embedded
systems, Chemical),
Science (Physics,
Mathematics)
Maxima http://maxima.sourceforge.net/download.html Mathematics,
Engineering
ngspice http://ngspice.sourceforge.net/download.html Engineering   (Electrical,
 
Electronics,   Embedded
systems)
Open office http://download.openoffice.org/ All branches
LaTeX http://www.latex‐project.org/ftp.html All branches
Sage http://www.sagemath.org/download.html Precise arithmetic,
algebra, symbolic
computation
GNU/Linux http://www.gnu.org/software/software.html All branches
GCC http://gcc.gnu.org/releases.html Engineering
(Introductory Computing
– all branches)
BRL-CAD http://brlcad.org/d/download Engineering (CAD)
NASM,
 
FASM
http://www.nasm.us/pub/nasm/releasebuilds
  http://flatassembler.net/download.php
Engineering (Electronics,
Computer Science)
Xmgrace,
 
XFIG,
GNUPLOT
http://sourceforge.net/projects/graceplot/ http://xfig.org/art17.html http://www.gnuplot.info/download.html Drawing the figures,
plots, flow diagrams
GNU
 
Binutils
http://ftp.gnu.org/gnu/binutils/ Assembler, Compilers
for micro controllers and
DSP Processors (MSP,
VC33 etc)
RTLinux,
 
RTAI
http://www.faqs.org/docs/Linux‐HOWTO/RTLinux‐ HOWTO.html
  https://www.rtai.org/
Real-time operating
System for Desktop and
Embedded Systems
SDCC http://sdcc.sourceforge.net/index.php#Download GCC SDCC compiler for
8051 controlers
Xcircuit http://opencircuitdesign.com/xcircuit/download.html schematic design
Magic http://opencircuitdesign.com/magic/download.html Used for chip Layout
design
ghdl, freehdl http://ghdl.free.fr/download.html http://freehdl.seul.org/ VHDL compiler
Octave http://www.gnu.org/software/octave/download.html Numerical Computation
KiCad, http://kicad.sourceforge.net/wiki/Downloads CAD system
FreeCad http://sourceforge.net/projects/free‐cad/  
R http://cran.r‐project.org/bin/ Statistics
GNU/LINUX http://www.bosslinux.in/ Operating System