Ashraf HZ
Ashraf HZ
Communications
17 Nov 2018

Tip: List of Free Engineering Software

Well, I thought of just posting this after I compiled a big list of programs, but it'll take some time. So i'll just post an initial list. To make the list complete, it'll take all of you CEans to contribute 😀 I was sorta inspired by the Neowin's List of free alternative software (click HERE), so I believe a dedicated engineering one here would be useful!

CAD software
OpenCascade (OSS)
Alibre Xpress (Free edition, need to register)
Google SketchUp (freeware)
A9CAD (General purpose 2D, freeware)
BRL CAD (solid modelling system, OSS)

ECAD software
KiCad (OSS)
Eagle (Free edition)

Mathematics/Numerical
Scilab (sorta OSS, alternative to MATLAB)

Analysis
Spectrogram Version 16 (Wave analysis. Freeware)
CANDE- Culvert ANalysis and DEsign (design and analysis of buried structures. Free version)
SNAILZ (stability analysis of slopes. Free version)

Circuit Analysis and Schematics
PSpice (student edition)
Circuit Maker 6 (student edition)
Multisim Designsuite 9 (freeware edition. Im not sure of the limitations yet)
SwCADIII (free version)
TINA:-SPICE-Based Analog Simulation Program from TI (Circuit Simulator)

Compiler
Dev C++ 5 beta (OSS)
Dev C++ 4.9.9.2 Portable (OSS. It can run off a USB, pretty useful)
Visual Basic 2008 Express, Visual C++ 2008 Express (Freeware IDE's from Microsoft. Has some limitations, but ideal for students and hobbyists)

Microcontroller stuff
- PIC
MPLAB IDE (free version)
HI-TECH PICC-Lite (freeware with some limitations, quick registration)
WinPic800 (firmware burner)
PIC16F87x / 16F87xA bootloader (freeware)
Proton Development Suite (PICBASIC, free version available)

- NXP

FlashMagic (Free. Programming Tool For NXP Semiconductors)

-Freescale
Code Warrior (Product Summary Page)
Code Warrior (Development Studio,
free version with some limitations)

-ATMEL
Bascom AVR (IDE)


-8051
Some Softwares Related to 8051


Embedded RTOS
Salvo Lite (free version with some limitations)

Terminal/SSH
PuTTY (great free telnet and SSH client)
PuTTYCM (useful connection manager for multiple tabs and instances)

Network Tools
Wireshark (awesome network protocol analyzer)
GNS3 (cisco network simulator based on Dynamips. Note: Still need a licenced IOS)

Robotics
Microsoft Robotic Developer Studio (Express edition. Robot control and simulator)
Roborealm 1.0 (freeware version. Latest one is a trial version)
PHUN (a super fun physics simulator. xhx used it for our CE bot project)

Testing Tools

Selenium (web application testing tool. Discussion Thread -> https://www.crazyengineers.com/forum.../22194-selenium-open-source-testing-tool.html)


Thanks to those who contributed! 😀

Yep, this list still has a long way to go. I've tried most the software listed above. I could have just googled for more, but it isnt right if I just copy paste them unless I've actually tested them. So, please post in any free software which you have used that could be useful to the rest of us! I'll update this list often. If we can have a big list, it can be sticky'd 😛
Ashraf HZ

Ashraf HZ

Communications
11 years ago
I just added some PIC tools. Does anyone know a more user friendly PIC compiler like the CCS PCW PIC C-compiler? The HI-TECH one takes some extra steps to compile 😔
Ashraf HZ

Ashraf HZ

Communications
11 years ago
*bump*

Any CEan got anymore free engineering software which I can add to the list? 😀 Preferably ones that you have used before, of course!
Ashraf HZ

Ashraf HZ

Communications
10 years ago
*bump again*
I added a free wave analyzer called Spectrogram (at version 16 now). It turns your computer into a Spectrum analyzer, using the MIC input of your soundcard. Its totally awesome stuff. Here's a quote from the website regarding its features:
Spectrogram version 16 is a freeware dual channel audio spectrum analyzer for Windows 2000/XP/Vista which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Spectrogram allows unlimited recording and playback of the sounds from the audio spectrum display and can provide very high resolution spectrum analysis of wave files with a wide choice of frequency bands and frequency resolution and either linear or logarithmic frequency scales. Spectrum data logging capability is also provided. Spectrogram is ideal for any purpose related to sound spectrum analysis including


  • Analysis and identification of biological sounds
  • Analysis of bat echolocation sounds
  • Analysis and identification of human speech
  • Analysis of vocal and instrumental music

  • Evaluation and tuning of musical instruments
  • Evaluation and calibration of home audio systems
  • Ham Radio audio reception and tuning
I also came across SwitcherCAD III. The circuit analysis is quite easy to use. I'll test it more to see how well it compares with Orcad PSpice. Check them out!

I wanted to add Octave to the list.. but I had trouble installing it. Its a MATLAB 4 clone, meaning the syntax and keywords are virtually the same. Perhaps its easier to use than Scilab for those migrating from MATLAB.
suyash

suyash

Branch Unspecified
10 years ago
A9CAD - for general 2D purpose ... quite simple to use and uses AutoCAD like GUI

Google Sketch up - for 3d modeling, haven't used it... but heard that it's quite powerful !!
Ashraf HZ

Ashraf HZ

Communications
10 years ago
*bumps*

Added a entry to the Visual Studio 2008 express editions. They are free IDE tools from Microsoft, and pack quite a lot of functions.

Some links for more info:
Visual Studio 2008 Express Edition Products
Microsoft Visual Studio Express - Wikipedia, the free encyclopedia

CEans, please do not hesitate to post your suggestions. Anyone know any wave analysis software? How about finite analysis? How about BasicStamp and AVR tools?

Ideally it should be a software you already tried 😀
sauravgoswami

sauravgoswami

Electronic
10 years ago
why dont ya add some measurement helpfull s/w Labveiw form NI will do,you can also add some scripting tools like Python which are also helpfull,and finally Emulator s/w,it will help to run programmes without H/W or development kits.
Ashraf HZ

Ashraf HZ

Communications
10 years ago
*bump*

sauravgoswami
why dont ya add some measurement helpfull s/w Labveiw form NI will do,you can also add some scripting tools like Python which are also helpfull,and finally Emulator s/w,it will help to run programmes without H/W or development kits.
I found this link, it might be useful for those looking for emulators:
PICEMU -- Pic Emulator Software (Simulator)

Unfortunately, I haven't tried any of them. If any of you have tried, please tell me so I can add on the list above.
dykstra

dykstra

Branch Unspecified
10 years ago
Hi...anyone no of free software for creating long sections for pipe lines. cheers😀
9 years ago
This thread got 'DIGGED' 😁 Welcome to everyone from DIGG. Help us digg this thread more 😉 !
Rifaa

Rifaa

Branch Unspecified
9 years ago
OK , since I was abt ask you engineers a noob q?, I thought I'll ask it in here.
I like to know which is the best software for simulating and building Schematics. 😕 I do not want use number of progs. Just one to built the shema, simulate it and transfer it clad design and possible auto routing is a must. 😉
I thought of trying P SPICE, LT Spice and or just Spice, ( this is rather confusing ). You might be thinking tht me being an Engineer why I am asking, well it's tht it's been quite long since went off grid in circuit simulation in PC's since electronic work bench 5.0 ( yeah! yeah! I know it's old). I have been doing proto typing on paper sketches and building them on vero's since I cannot import chemical's to Maldives. ( if I did, i'll be on watch by some government officials, u know all this terrorist, and building bomb staff's, and since I am good at electronics and if get my hands on chemicals, well u know the rest, U know we can't get our hands on fire crackers, it's illegal here, we have a very $$#$_ government, god ! I hate it here).😡
So any ways I got a contact from USA and he will etch the boards for a really low price so I need to give him a good layout of the shema's.
So pls tell me, which is the best out there with a lot of libraries and goodies. The best of the best if any one have any Idea, I need full working one's. not for beginners, not for testing with limitations. OK. 😛.
I have heard of Spice u know, but there are different ones and from different companies.
Right now I am evaluating NI's Multisim. and I am having trouble simulating the diagram, it's saying I don't have a power source or something 😕.
So shoot one suggestion to me
Thanks 😁
Rifaa
Ashraf HZ

Ashraf HZ

Communications
9 years ago
Sorry for the late response.

In terms of user friendliness, a complete package that could have worked (simulation and PCB trace creation) was Crocodile Technology. Unfortunately its not free and prices for commercial licenses are not publicly shown as its mainly aimed for educational institutions.

Theres a free complete package that I'm tracking at the moment called Qucs. Its a new circuit simulator that will have PCB layout in the future. Its still an early version.. but the roadmap is pretty interesting: Qucs project: roadmap

Anyways, for circuit simulations, OrCad Pspice is still quite effective even after all these years. If you want to do the PCB trace for it, I'd just recreate it again on Eagle Lite. Might be a waste of time, but Eagle is a great software. If you are running linux, you might give KiCad a shot.

But, if you really do want to save time, what you can do is create your circuit on PCB software that can export netlists first, then import them into simulators. I haven't tried that, though 😛

If one is involved with even more complex circuitry, its wise to invest in commercial software. Since I'm still studying, I'm not experience in that realm just yet. Eagle Lite might be restricted if you have a bigger design. In that case, you can try PCB Free.. but I haven't used it yet so you'll need to try it yourself.
Rifaa

Rifaa

Branch Unspecified
9 years ago
Hey Ash, is yenka that good, what would you suggest, money is no of concern to me, I want the BEST
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
FlashMagic. Programming Tool For NXP Semiconductors
https://www.flashmagictool.com/
Ashraf HZ

Ashraf HZ

Communications
9 years ago
@ GF
Thanks, I'll add it. Is it easy to use?

Rifaa
Hey Ash, is yenka that good, what would you suggest, money is no of concern to me, I want the BEST
Its hard to tell. When they rebranded it to Yenka, they have specifically tailor made it for educational use. If you shoot them an e-mail about the commercial version, you might get access to a more suitable version.

Try downloading the trial version of Yenka. The interface is pretty clunky and a bit childish.. but it does actually allow you to simulate circuits and create the PCB (with auto routing).

Downloads
Rifaa

Rifaa

Branch Unspecified
9 years ago
@ash. Yup !! pretty childish I'd say. I registered and they gave me free licenses 😁 hoorayy!!
But they have a lot of varieties, am a bit confused u know. I downloaded something called yenka 2.5.3. it says something about programing, and I Installed and still donno what the heck to do with it :shock:
Do you have any idea?
What is yenka for windows anyway? 😕

@gf. Will flash magic be able to program with the one I have, it says something about using the software that is currently loaded or something, anyways I am going to down load it.
Ashraf HZ

Ashraf HZ

Communications
9 years ago
At the splash screen, choose the "technology" tab. Then choose "Electronics".
Rifaa

Rifaa

Branch Unspecified
9 years ago
ash
At the splash screen, choose the "technology" tab. Then choose "Electronics".
Oh boy...this is interesting. thanks buddy 😛
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
@ Ash.. Yes it is very Easy to Use.
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
Rifaa
@gf. Will flash magic be able to program with the one I have, it says something about using the software that is currently loaded or something, anyways I am going to down load it.
Dear Rifaa,

It only Supports ICP method..Can you please tell me which NXP Controller You are Using!
Rifaa

Rifaa

Branch Unspecified
9 years ago
godfather
Dear Rifaa,

It only Supports ICP method..Can you please tell me which NXP Controller You are Using!
Like I said ..I am 😕😕 on just what u asked. Sorry.
Here's the manual of the programmer I have. Check it out and tell me.
Your opinion means a lot to me for the time being, as I am just a beginner on this topic.
RapidShare: Easy Filehosting
PS.. Am I violating any rule here. I mean my file link says "rapidshare: blah blah"
If so, sorry, I just pasted and quote the link from my RS account and it changed on it's own. Suggest me another method if I am guilty
Thanks
Bergg

Bergg

Branch Unspecified
9 years ago
Well done!

Bergg
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
Rifaa
Like I said ..I am 😕😕 on just what u asked. Sorry.
Here's the manual of the programmer I have. Check it out and tell me.
Your opinion means a lot to me for the time being, as I am just a beginner on this topic.

PS.. Am I violating any rule here. I mean my file link says "rapidshare: blah blah"
If so, sorry, I just pasted and quote the link from my RS account and it changed on it's own. Suggest me another method if I am guilty
Thanks
Rifaa you can Hyper link any Text with your Own Link. by this Button [​IMG]
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
Here the one Good Handy Compiler for PIC.

Proton Development Suit
Ashraf HZ

Ashraf HZ

Communications
9 years ago
Alright, added.
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
@ Rifaa.. can you please tell that actually what you want to know..?

if you are asking that FlashMagic is compitible with the Programmer Willem then i am sorry that i dont know about it.. i think you need Willem pro for that.
in short FlashMagic is Specially made for PHILIPS(NXP) Microcontroller series. and specially using Serial programming method.

sorry if i am not able to understood you.. i have posted here according to my knowledge
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
ash
Alright, added.
thanks very much ASH
Saandeep Sreerambatla

Saandeep Sreerambatla

Branch Unspecified
9 years ago
The testing tools Selenium and free open source tools.

i cant post the links now.
will try or others can also post as they are free
Rifaa

Rifaa

Branch Unspecified
9 years ago
@GF ..I have the software. The programmer came with willem pro.
The main problem is that I really donno how to go about programming a PIC with it.
I know how to insert the PIC into the programmer and follow the manual, the thing is what type of file is used and why I donno. and also to compile a basic program. U know what I mean.
I 'll get back to you after a while. I just got up. I have to attend to my customers

Later.....much later
I Installed the proton thingy. Is it an assembler. ( am I saying this right )
Ashraf HZ

Ashraf HZ

Communications
9 years ago
English-Scared
The testing tools Selenium and free open source tools.

i cant post the links now.
will try or others can also post as they are free
Do you mean SeleniumHQ?

-> Selenium web application testing system
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
@Rifaa...Proton is a Compiler... and the file which you want to load in PIC it should be in HEX format
Rifaa

Rifaa

Branch Unspecified
9 years ago
aaaaaaaaaaaaaaaah!!! Compiler. Once compiled, I get the HEX file, Right.
Then what the heck is an Assembler 😕😕

seee..this is what I am telling you all.....you all are confusing little ol' me.
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
Yes Buddy Assembler and Compiler are Different Things.

An Assembler converts Assembly instructions into executable machine language. A Compiler converts higher level programming language instructions into Assembly instructions, and then those are turned into executable machine language. Most Compilers allow generation of "object" code, which is the Assembly instruction set generated by the Compiler. Some older Compilers allow for the Assembly instructions to be fine tuned by the programmer.
Compiled programming languages typically generate many lines of Assembly instructions for each program statement. Some programming languages, such as ANSI C, are very close to Assembly, while others such as Java, result in many Assembly instructions per program statement. Most Compilers are highly optimized and it would be difficult for a human programmer to improve the efficiency of the output.




and Proton is Compiler.... while using MPLAB you can make HEX file also.
Ashraf HZ

Ashraf HZ

Communications
9 years ago
Updated list with terminal and network tools
Harshad Italiya

Harshad Italiya

Electronics and Communication
9 years ago
Thanks for the Update Ash
Aashish Joshi

Aashish Joshi

Branch Unspecified
9 years ago
Sage: Open Source Mathematics Software

This is a opensource mathematics software. Though I have not used it, I have gone through their wiki, tutorials and screenshots. Seems powerful to me, you can map functions, even render 3D images!! It supports command completion by pressing the Tab key..
Aashish Joshi

Aashish Joshi

Branch Unspecified
9 years ago
I came across Webots during my project work. I was looking for a software in which I could animate my manipulator arm. It is a robotic modeling/manipulation software. You can make the environment using vrml, or make it on a solid modeling software and then import it to webots by saving it as a .wrl file. You can write the code for sensors using one of the available languages (c/c++/java/matlab). It is available for windows, linux as well as mac.
The only drawback is that the free version is only a trial(one month). You need to purchase the software to use it further.

Cyberbotics
ankur verma

ankur verma

Branch Unspecified
9 years ago
can you tell me names of some of tested softwares among these....
blacrobous

blacrobous

Branch Unspecified
9 years ago
Here is one which i use a free compiler named Codeblocks for C++ Runs on linux mac and windows

https://codeblocks.org
juma1987

juma1987

Branch Unspecified
9 years ago
QT-Octave: Download QtOctave: a front-end for Octave/un Front-End para Octave

OSS similar to MATLAB, work with .m files too. 😛
lunchboxmonty

lunchboxmonty

Branch Unspecified
9 years ago
Cam tek peps

does any one know where i can down load camtek peps any version will do

cheers

Lunch
sirspracut

sirspracut

Branch Unspecified
9 years ago
Re: Cam tek peps

lunchboxmonty
does any one know where i can down load camtek peps any version will do

cheers

Lunch
does any one know where i can down load camtek peps any version will do

Jamal Haseeb

Jamal Haseeb

Branch Unspecified
8 years ago
<clipped by spam-eater>

Key Features


  • Conversion of units of physical quantities​
  • Log of all the conversions​
  • List of constants​
  • Easy, free and efficient​
  • New unit addition​
Jamal Haseeb

Jamal Haseeb

Branch Unspecified
8 years ago
<clipped by spam-eater>


  • Beam Analysis with different load conditions​
  • Beam Analysis with different support conditions ​
  • Calculation of reactions at the supports
  • Conversion of units of physical quantities​
  • Log of all the conversions​
  • List of constants​
  • Scientific Calculator ​
  • Easy, free and efficient​
  • Embedded unit converter
  • New unit addition​
sam_from_hell

sam_from_hell

Branch Unspecified
8 years ago
ash
Compiler
Dev C++ 5 beta (OSS)
Dev C++ 4.9.9.2 Portable (OSS. It can run off a USB, pretty useful)
Visual Basic 2008 Express, Visual C++ 2008 Express (Freeware IDE's from Microsoft. Has some limitations, but ideal for students and hobbyists)
I used to use Dev C++, but its outdated..
Switch to Code::Blocks, I recommend it 👍.
You can download it here (Better Download the 70MB one, because the smaller file does not include a compiler).
(btw great list)
--Cheers Sam 😀
riz

riz

Branch Unspecified
8 years ago
Here is a short list of freebies i know about

smath -> Very similiar to mathcad my favorite and most used of the freebies
google sketch-up -> pretty good for free different learning curve if your used to pro-e or solidworks
cocoreate pe-> this is pretty nice design software the free version is quite limited but again a different learning curve if your used to pro-e or solidworks
open office ->very nice spreadsheet tools
Harshad Italiya

Harshad Italiya

Electronics and Communication
7 years ago
Recently i have collected some more data related to Microcontroller stuff,
This thread needs update. 😀
Harshad Italiya

Harshad Italiya

Electronics and Communication
7 years ago
Here are some more software related to 8051.

8051 Software, C Compilers, Basic Editor, and Chip Simulator


Harshad Italiya

Harshad Italiya

Electronics and Communication
7 years ago
TINA:- SPICE-Based Analog Simulation Program from TI

Click Here
Harshad Italiya

Harshad Italiya

Electronics and Communication
7 years ago
Harshad Italiya

Harshad Italiya

Electronics and Communication
7 years ago
Bascom AVR IDE:- Click here
Harshad Italiya

Harshad Italiya

Electronics and Communication
7 years ago
First Page is Updated with the New Software links.

Guys Please share useful Software name and download link of your filed so other Ceans can get knowledge of it.
Jean Colley

Jean Colley

Branch Unspecified
7 years ago
Hi All......Help to find SEO software, Thanks
kingdavid

kingdavid

Branch Unspecified
6 years ago
Hi
thanks for sharing software list is best list and easily download this software
Sarathkumar Chandrasekaran

Sarathkumar Chandrasekaran

Branch Unspecified
5 years ago
You are an encyclopedia man.Thanks for the effort to compile the list.
Do you know any analysis software used in Automobile industry.
Ankita Katdare

Ankita Katdare

Computer Science
3 years ago
Time to update this discussion!

Top free Data Analysis software -

Elki
(Environment for Developing KDD-Applications Supported by Index-Structures)
R Software Environment (For statistical computing and graphics)
Waffles (A Machine Learning toolkit)
PAW (Physics Analysis Workstation - a FORTRAN/C data analysis framework)
ROOT (A modular scientific software framework)
IPython (rich architecture for interactive computing)

Free Mechanical Engineering Software -

OpenFVM (CFD solver, evaluator of partial differential equations etc.)
SALOME (Open source platform aimed at numerical simulation)
Impact (Uses an explicit time stepping algorithm to simulate dynamic situations)
Elmer (Modeling for fluid dynamics, electromagnetics and heat transfer)

CAD/CAM Free Software -

FreeMill (Fully functional free 3-axis mill CAM software
PyCAM (Free use)
HeeksCNC Free CNC mill CAD/CAM
SharpCAM (Demo version is free)
VisualMill (CAD/CAM software for milling)
KZX (CAD/CAM program for drawing and producing G-codes for sheet metal parts)
SimpleGCoder (Online tool to build circuit boards, it generates G-Code for CNC)

Three Popular Freeware tools for CAD/CAM Engineers & Designers:

IronCAD Compose (For 3D Design Concepts)
AutoCAD Fusion 360 (Cloud-based 3D CAD/CAM tool - free for students)
Solid Edge Free 2D (Eases the transition from 2D AutoCAD)

If anyone has any more freeware tools to share, please do.
Civil_RFEM

Civil_RFEM

Branch Unspecified
2 years ago
RFEM - FEM Structural Analysis Software

Free student license for educational purposes - only registration required.
Network license for Universities and educational institutions.
TRIAL version with all features available for evaluation (30 days) for everyone.

Webapge: www.dlubal.com
Program: RFEM

I hope it helps.
Enjoy the work with the program.
Nadin Broun

Nadin Broun

Branch Unspecified
2 years ago
ash
Well, I thought of just posting this after I compiled a big list of programs, but it'll take some time. So i'll just post an initial list. To make the list complete, it'll take all of you CEans to contribute 😀 I was sorta inspired by the Neowin's List of free alternative software (click HERE), so I believe a dedicated engineering one here would be useful!

CAD software
OpenCascade (OSS)
Alibre Xpress (Free edition, need to register)
Google SketchUp (freeware)
A9CAD (General purpose 2D, freeware)
BRL CAD (solid modelling system, OSS)

ECAD software
KiCad (OSS)
Eagle (Free edition)

Mathematics/Numerical
Scilab (sorta OSS, alternative to MATLAB)

Analysis
Spectrogram Version 16 (Wave analysis. Freeware)
CANDE- Culvert ANalysis and DEsign (design and analysis of buried structures. Free version)
SNAILZ (stability analysis of slopes. Free version)

Circuit Analysis and Schematics
PSpice (student edition)
Circuit Maker 6 (student edition)
Multisim Designsuite 9 (freeware edition. Im not sure of the limitations yet)
SwCADIII (free version)
TINA:-SPICE-Based Analog Simulation Program from TI (Circuit Simulator)

Compiler
Dev C++ 5 beta (OSS)
Dev C++ 4.9.9.2 Portable (OSS. It can run off a USB, pretty useful)
Visual Basic 2008 Express, Visual C++ 2008 Express (Freeware IDE's from Microsoft. Has some limitations, but ideal for students and hobbyists)

Microcontroller stuff
- PIC

MPLAB IDE (free version)
HI-TECH PICC-Lite (freeware with some limitations, quick registration)
WinPic800 (firmware burner)
PIC16F87x / 16F87xA bootloader (freeware)
Proton Development Suite (PICBASIC, free version available)

- NXP

FlashMagic (Free. Programming Tool For NXP Semiconductors)

-Freescale
Code Warrior (Product Summary Page)

Code Warrior (Development Studio,free version with some limitations)

-ATMEL
Bascom AVR (IDE)


-8051
Some Softwares Related to 8051


Embedded RTOS
Salvo Lite (free version with some limitations)

Terminal/SSH
PuTTY (great free telnet and SSH client)
PuTTYCM (useful connection manager for multiple tabs and instances)

Network Tools
Wireshark (awesome network protocol analyzer)
GNS3 (cisco network simulator based on Dynamips. Note: Still need a licenced IOS)

Robotics
Microsoft Robotic Developer Studio (Express edition. Robot control and simulator)
Roborealm 1.0 (freeware version. Latest one is a trial version)
PHUN (a super fun physics simulator. xhx used it for our CE bot project)

Testing Tools

Selenium (web application testing tool. Discussion Thread -> https://www.crazyengineers.com/forum.../22194-selenium-open-source-testing-tool.html)


Thanks to those who contributed! 😀

Yep, this list still has a long way to go. I've tried most the software listed above. I could have just googled for more, but it isnt right if I just copy paste them unless I've actually tested them. So, please post in any free software which you have used that could be useful to the rest of us! I'll update this list often. If we can have a big list, it can be sticky'd 😛
Great list, thanks for sharing!
4 months ago

I'd like to suggest 2 more free software repositories to add to this list: QCAD and MaiQAD. The first is a stand-alone CAD application for Windows, Mac, and Linux, and the second is a web application devoted to helping engineers manage site visit and civil engineering data..

There's a download available from the QCAD website (https://www.qcad.org). The download is a QCAD Pro Trial, but once you remove the Pro plug-in, you have a completely free and open source product, which is very useful. Quoted from their download page:

"QCAD Community Edition

If you are looking for the free open source QCAD Community Edition, you can download the trial version for your platform (see above) and then remove the QCAD Professional add-on running in trial mode (click Remove in the Trial widget and follow on screen instructions)."

MaiQAD (https://maiqad.com) is a web application dedicated to site visit and civil engineering data management. It currently imports LandXML to a DXF, but the plan is to covert data in both directions, and also import survey data and site visit data (It will extract geolocation data from photos using javascript without ever uploading the image files. Combining this with GPS data, you will soon be able to quickly and easily convert electronic data from a site visit into graphics and data products that can be used as deliverables to the client.

As an aside, IMHO, I think this list is a great idea but the presentation could be a lot better. The list at the top should be the "latest and greatest", with the thread below. We shouldn't make people read through the whole thread to see a complete, updated list of (vetted and approved) free software.

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