dendextend

Offers improved plotting with better aesthetics and customization, filling gaps in R's core dendrogram class as highlighted in the key features.

Provides tools for adjusting and comparing dendrograms, enabling detailed analysis of hierarchical clustering results, which is a core focus of the package.

Works with the heatmaply package to create interactive cluster heatmaps, extending functionality beyond static plots, as mentioned in the usage section.

Designed with publication-quality outputs in mind, supported by citation and use in bioinformatics research, with clear guidelines for citing in papers.