magento2-flash-sales
There are 2 repositories under magento2-flash-sales topic.
ulmod/magento-2-daily-deal
Magento 2 Daily Deal extension allows you to generate hot deals, daily deals, special offers, and display them at any page and position of your site.
ulmod/magento-2-promo-banner
Magento 2 Promotion Banners allows you to display promotions banners or any marketing message at your store pages to informs shoppers of all promo offers.