Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.
Kudos - Kudos is the simple and easy to use employee recognition software that enhances employee engagement and team communication.
WhenWorks - Mobile appointment scheduling
Fond - Fond employee engagement platform helps companies increase employee happiness with recognition, rewards, perks and survey programs to maximize impact..
Inspora - virtual chat-stylist for fashion advice.
Bonusly - Recognition and rewards that make work fun