Elegantt for Trello - The most elegant way to manage your Trello projects
Ganttify - Ganttify is a gantt chart software for visualization of activities and bottlenecks in a project.
Hello Epics for Trello - Simplify your Trello board with parent/child relationships
GanttPRO - GanttPRO is online Gantt chart software for project management. CEOs, project managers, and teams use it every day to solve project management challenges.
TunnelVision - See your next Trello tasks every time you open a browser tab
OnePager Pro for Microsoft Project - OnePager Pro builds Gantt charts, timelines and multi-project reports using data from Microsoft Project, Project Online, and Project Server.