RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
DM Pilot - The Easiest and Most Reliable Way to Send Automated DMs
Random Number Generator - Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.
Auto Message - Auto Message is a scheduling app that offers several features such as sending automated emails, automatically answering calls & sending SMS/text messages.
RandomPicker.com - RandomPicker.com helps you draw winners for your contests, giveaways or raffles.
Auto Reply for whats - Auto Reply for whats is a bot that automatically replies to received messages, and you can also use its features to build campaigns for customer support.