IDN: Charts
RStudio Formats
R Markdown formats from RStudio (see below for additional formats created by the R community)
Documents
Notebook
Interactive R Notebooks
HTML
HTML document w/ Bootstrap CSS
PDF
PDF document (via LaTeX template)
Word
Microsoft Word document (docx)
ODT
OpenDocument Text document
RTF
Rich Text Format document
Markdown
Markdown document (various flavors)
Presentations
ioslides
HTML presentation with ioslides
reveal.js
HTML presentation with reveal.js
Slidy
HTML presentation with W3C Slidy
Beamer
PDF presentation with LaTeX Beamer
Journals
jss_article
Journal of Statistical Software (JSS)
acm_article
Association for Computing Machinery (ACM)
acs_article
American Chemical Society (ACS) Journal
ctex
Documents based on the LaTeX package ctex
elsevier_article
Submissions to Elsevier journals
More
flexdashboard
Interactive dashboards
bookdown
HTML, PDF, ePub, and Kindle books
Websites
Multi-page websites
Tufte Handout
Handouts in the style of Edward Tufte
Package Vignette
R package vignette (HTML)
Github Document
GitHub Flavored Markdown document.
Community Formats
R Markdown formats created by the R community
HTML
html_pretty
Small yet pretty HTML pages
readthedown
Format adapted from the Read the docs Sphinx theme
html_docco
Format adapted from the docco documentation generator
html_clean
Clean and simple HTML format
Presentations
shower_presentation
Themeable presentations using the Shower framework

Please send email to garrett@rstudio.com if you would like to add an R Markdown template you've developed to this listing.