xDateR – https://viz.datascience.arizona.edu/xDateR/
iDetrend – https://viz.datascience.arizona.edu/iDetrend/
Information for the starters 🙂
https://opendendro.github.io/dplR-workshop/
https://chrismgentry.github.io/rNADEF/#1_Getting_Started
https://sites.google.com/view/treeringist/dendro-help
https://github.com/jernejjevsenak/dendroTools
R language – https://www.r-project.org/
R-Studio – https://posit.co/download/rstudio-desktop/