Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

OK Play - Your guide to build empathy and kindness in preschoolers.

Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.

Help A Stranger Out - Anonymous, decentralized acts of kindness towards strangers.

SavvyCal - A scheduling tool both the sender and the recipient will love.

kawanimals - Adorable characters that teach kids kindness and empathy