ViralSweep - Grow your fans and increase sales with sweepstakes and giveaways.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Retweet Pick - Retweet Pick is a random name generator for Twitter giveaways via generating a winning name from the list.
chatform.ai - Turn your web forms into conversations on any messaging app
Retweet Picker - Retweet Picker is an online tool that is helping you to select the random winner from Twitter for the giveaways.
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.