Office Timeline - Make impressive PowerPoint timelines with just a few clicks.

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.

GanttPRO - GanttPRO is online Gantt chart software for project management. CEOs, project managers, and teams use it every day to solve project management challenges.

Instagantt - Instagantt is a powerful and intuitive Gantt chart tool to enable teams to plan, manage and visualize their projects easily. Manage your schedules, tasks, timelines, and workload like a Pro. Try it for free.

angular-gantt - angular-gantt provides a gantt chart component to your AngularJS application.

Manifold - Manifold GIS is a combination of mapping, CAD, DBMS and image processing.