Robust Quality Control Chart (rQCC).

For version 2.22.1, refer to

CRAN: https://CRAN.R-project.org/package=rQCC
rdrr.io: https://rdrr.io/cran/rQCC/
github: https://github.com/cran/rQCC

Robustified t-test using median/MAD and Hodges-Lehmann/Shamos.

For version 1.19.7, refer to

CRAN: https://CRAN.R-project.org/package=rt.test
rdrr.io: https://rdrr.io/cran/rt.test/
github: https://github.com/cran/rt.test

Weibullness test (goodness-of-fit test for Weibull)

For version 1.19.8, refer to

CRAN: https://CRAN.R-project.org/package=weibullness
rdrr.io: https://rdrr.io/cran/weibullness/
github: https://github.com/cran/weibullness