Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
Wheel Decide - Wheel Decide is a free to use web-based spinner platform that allows the people create their own digital wheels system for prize giveaways, decision making, games and much more.
FollowUpThen - The simplest way to schedule an email reminder
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Wheel of Names - Free and easy to use spinner. Used by teachers and for raffles. Enter names, spin wheel to pick a random winner. Customize look and feel, save and share wheels.