CouponHub - What do you do with extra coupons that you would not need?What if you could swap them with something that you would use?Sounds cool?
Fixer.io - Fixer provides a free, simple, and lightweight API for current and historical foreign exchange rates and currency conversion. The API tracks rates published daily by the European Central Bank.
SaaS for COVID - A directory of discounts on popular SaaS companies
Freecurrencyapi.com - Freecurrencyapi.com is a free, reliable & feature-complete currency exchange rates API. 32 world currencies & daily update rates.
Offerwhere - Platform for advertising offers, and running loyalty programs online and in-store
FXRatesAPI - Your Gateway to Real-Time Exchange Rates