A Countdown Timer for HTML Presentations, Documents, and Web Apps R package countdown version 0.6.0 A simple countdown timer for slides and HTML documents written in 'R Markdown' or 'Quarto'. Integrates fully into 'Shiny' apps. Countdown to something amazing. Software Imports: htmltools, prismatic (>= 1.1.0), utils Suggests: rmarkdown, shiny, testthat (>= 3.0.0) Garrick Aden-Buie <garrick@adenbuie.com> Comprehensive R Archive Network (CRAN) Garrick Aden-Buie [aut, cre, cph] (ORCID: <https://orcid.org/0000-0002-7111-0077>) MIT + file LICENSE (https://CRAN.R-project.org/package=countdown/LICENSE) 2025-11-14 application/tgz https://CRAN.R-project.org/package=countdown doi:10.32614/CRAN.package.countdown