OBS Studio - Adding Countdown Timers for Twitch or YouTube Gaming - YouTube
My Stream Timer - A count up and countdown timer for streamers that integrates into OBS/SLOBS and Stream Deck! Used by 50,000 streamers around the globe!
Add a Countdown TIMER to OBS studio - 4 different methods (Obs tutorial) - YouTube
How To Make a Countdown / Timer on StreamLabs OBS | SSTP - YouTube