jsGantt
A fully featured gantt chart component built entirely in Javascript,
CSS and AJAX. No images required.
Features include: Tasks & Collapsible Task Groups Dependencies, Task
Completion, Task Color, Milestones, Resources, Dynamic Loading of
Tasks, Dynamic change of format (day/week/month), Load Gantt from XML
file.
You can view a live example at http://www.jsgantt.com
Some other libraries:
https://www.bryntum.com/products/gantt-for-extjs/
http://www.jsgantt.com/#tDownload
Hope this helps.
