diff --git a/Plugins,-Tools-and-Hardware.md b/Plugins,-Tools-and-Hardware.md
index 2d1778e..edddfa7 100644
--- a/Plugins,-Tools-and-Hardware.md
+++ b/Plugins,-Tools-and-Hardware.md
@@ -199,6 +199,8 @@ This plugin sets your vertical 0 index as your main deck. Whenever you change yo
 
 [reveal.js-pointer](https://github.com/burnpiro/reveal-pointer): Changes mouse into a pointer with an optional keybinding ([Demo](https://burnpiro.github.io/presentation-template/#/))
 
+[reveal-countdown](https://github.com/christer79/reveal_countdown): Lets you add a countdown timer to individual slides to set time limits on breaks, exercises, discussions etc. 
+
 ## Tools
 
 Useful tools for working with reveal.js.