Drools - Drools introduces the Business Logic integration Platform which provides a unified and integrated platform for Rules, Workflow and Event Processing.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Esper.io - Esper is the first platform built for Android enterprise device management and DevOps, so you can deploy devices, manage apps, and secure your fleet.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Cabin - Family App - A family app that lets you share, plan & stay connected.
Slack - A messaging app for teams who see through the Earth!