RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
EasyCron - Get frustrated with Cron on your server? Hosting limits your Cron use?
Dealspotr - Dealspotr is like Wikipedia for deals.
crontab guru - The quick and simple editor for cron schedule expressions by Cronitor
Discount Reactor - Find the best selected coupon codes, hot deals, fresh promotions and great special offers from more than 2634 stores at DiscountReactor
Cronitor - Monitor cron jobs, micro-services, daemons and almost anything else, no setup required. Easier cron troubleshooting and no more silent failures.