https://cran.r-project.org/web/packages/seminr/vignettes/SEMinR.html

I am not sure there is free software for PLS-SEM.

Hello Alma,

The R library, semPLS, meets your criterion of being free. See this link: https://cran.r-project.org/web/packages/semPLS/vignettes/semPLS-intro.pdf

Good luck with your work!

Try SmartPLS 2.0, free software.

SmartPLS 3.0 student version, also free, but limited to 100 cases (sample size).

You can download the SmartPLS 3.0 with full features and it can be used for one month free. After one month, it expires

The second version is free.(PLS: 2)

The third version of the first month is free and includes a limit (99) sample and then you need to buy a copy.(PLS: 3)

Also, the free version does not include all analysis functions, so you may need to purchase a copy.

In addition, the third version has several new features not found in the second version.

Thank you.

https://cran.r-project.org/web/packages/seminr/vignettes/SEMinR.html

You can use SmartPLS 2.0. This is a free software.

Adanco trial version for one year.

Please try www.smartpls.de

Imho, best free options are Adanco (as indicated above) and SmartPLS 2.0. The latter is adequatw if you want to run a model with first and/or second order constructs, mediator and/or moderator variables. However, advanced functions such as MGA, or the HTMT to assess discriminant validity are not implemented

I concur with Alejandro' reply

Use Advance Analysis for Composite (ADANCO) software. Is good like smartpls and free for one year. All the best

You can also use plsSEM on the R software.

https://cran.r-project.org/web/packages/semPLS/vignettes/semPLS-intro.pdf

Trial version will expire in one month.

You can get a professional 30-days-free-trial, via:

https://www.smartpls.com/free-trial

Free 30-Day Trial SmartPLS via https://www.smartpls.com