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.

Plan - Plan is a better way to organize.

Planyway - Visual project management for Jira and Trello: manage resources, build project roadmaps, use time tracking.

Kin Calendar - The simple and connected calendar

Corrello - Dashboards for agile teams using Trello

Kin - Kin is money for the digital world. It is used to generate value through a shared, decentralized cryptocurrency in a digital ecosystem of apps and their users.