Qminder - Qminder works the way it sounds: It helps a company mind its queues.
Zenlist - Google ads for classifieds
slashQ - Queue management system
Talla the Task Assistant - A.I. task-list manager built for Slack
Zeplo.io - Message queue as service.
Driven - Leverage Pomodoro to form habits & finish to-do tasks ⏱️