Rafflecopter is widely used and people have usually heard of it before. The other way we coordinate giveaways is to have a. spreadsheet with all the entries. Then use Google's random number generator which correlates to one of the rows in the spreadsheet which would be our …
Rafflecopter is the best platform that is out there for giveaways and there is not another that can compete with what they offer. It is such a good platform to use and easy for anyone to set up. We have used this with many different types of businesses and have had great success.
Having used all three software platforms, I believe that both ShortStack and Woobox have surpassed Rafflecopter in terms of features set. It's been a few years since I've used Woobox and ShortStack so they may not be fully comparable any longer.