Below is a (non-exhaustive) list of FOSS alternatives to various proprietary packages compiled by the Computer Center of Indian Institute of Technology Bombay
| # | Proprietary package name | Recommended free package | Purpose |
|---|---|---|---|
| 1 | Matlab | Octave, Scilab | Numerical computations, engineering, signal processing |
| 2 | Mathematica/Maple | Sage, Maxima | Mathematics, Engineering (symbolic, exact/precise arithmetic) |
| 3 | Cadence pSpice | ngspice | Engineering (Electrical, Electronics, Embedded systems) |
| 4 | Microsoft office | WPS Office/Kingsoft and Open-office/LibreOffice | Office applications |
| 5 | Ansys | OpenFOAM | CFD |
| 6 | Ansys | GMesh | Meshing |
| 7 | OrCAD | ESIM | Simulation, circuit design |
| 8 | Turbo C | gcc | C-program |
| 9 | Photoshop | Gimp | Image editing software |
| 10 | Maya, 3ds max | Blender | 3D modeling, rendering and animation software |
| 11 | Microsoft Office/MathWord | Latex | Technical documentation |
| 12 | Microsoft Windows | GNU/Linux | All purposes |
| 13 | Pro/E | BRL-CAD | Engineering (CAD) |
| 14 | ChemDraw | Jmol Application, GChemPaint, Avogadro | Drawing and Viewing Chemical structures |
| 15 | Pro/E | BRL-CAD | CAD in Mechanical/ Civil/ Chemical/ Aerospace |
| 16 | MASM | NASM, FASM | Engineering (Electronics, Computer Science) |
| 17 | MS OFFICE Plotting tools | Xmgrace, Xfig, Gnuplot | Drawing figures, plots, flow diagrams |
| 18 | Code composer Studio, IAR Workbench | GNU Binutils | Assembler, Compilers for micro controllers and DSP Processors (MSP, VC33, etc) |
| 19 | VxWORKS | RTLinux, RTAI | Real-time operating System for Desktop and Embedded Systems |
| 20 | KEIL 8051 | SDCC | GCC SDCC compiler for 8051 controlers |
| 21 | Synopsis-CosmosSE,
Mentor-Icstudio, Cadence-Virtuoso |
Xcircuit | Schematic design |
| 22 | Mentor-ICstation, Cadence-Virtuoso | Magic | Used for chip Layout design |
| 23 | Modelsim | ghdl, freehdl | VHDL compiler |
| 24 | AutoCad | KiCad, FreeCad | CAD system |
| 25 | Eagle | FreeCad | Circuit and PCB design |
| 26 | S-Plus, SPSS, Strata | R | Statistics |
| 27 | Aspen Plus, PRO/II | DWSIM | Chemical Process Simulator, Modeling language for modeling |
| 28 | COMSOL Multiphysics | OpenModelica | Simulating, optimizing and analyzing complex dynamic systems |
| 29 | Screenflow, Sony Vegas Pro, Final Cut Pro |
Openshot, Avidemux, Cinelerra, Pitivi | Video editing |
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