Boardly - A minimalistic planning board for your projects
Checklist - Make a list of everything that you need to do during the week with Checklist. The lists that you make can be shared with friends and family on social media or sent in a message.
Corrello - Dashboards for agile teams using Trello
Bamzooka - Create checklists, schedule them, assign them to your team
Planyway - Visual project management for Jira and Trello: manage resources, build project roadmaps, use time tracking.
Happy Tools by Automattic - A scheduling tool built for distributed teams