Another option for R/LaTeX/Sweave editor

WinEdt is another good option for R/LaTeX/Sweave editing. I especially the feature of running "knitr + pdflatex" without opening a R terminal. Unfortunately it is a Windows-only software.

How to make PDF files look good

Tips.

How to run R faster

Good tip here.

Glmer2stan

Glmer2stan is an interesting software that translates glmer (lme4) syntax into Stan. The software is still at eary stage but looks very promising.

Sumatra pdf viewer

The Sumatry pdf viewer works very well on Windows platform. If you have to run LaTeX on Windows platform and needs function like auto-update of the compiled pdf file, Sumatry is the right choice.

Rstudio vs. StatET

Rstudio wins in easy installation, smaller size, and intuitive user interface. StatET wins in graphical debugger and an outline view. Right now, StatET is a better choice for Sweave/Knitr/LaTeX authoring platform than Rstudio.