What are some alternatives?
When comparing Register to Vote and Say Yay, you can also consider the following products
Vote.org - Everything you need to vote
BTC18 - Register to vote and receive free Bitcoin or Ethereum 💰
Countable 3.0 for iOS - Understand legislation in Congress and contact lawmakers
VoteWithMe - Remind your friends to cast their vote 🗳️
Brigade - The world's first network for voters
Votebox - Secure internet voting