One-File-HTML Kanban boards online and offline!

Virtual Kanban

Start using VirtualKanban for free without registration!

Other online graphic kanban tools

Open Source

Simple-Kanban

Commercial Software

Scrummy (available free & paid versions)
ScrumRF (requires registration)
AgileZen (requires registration)
Flow (requires registration)
Kanbanery available chrome app
(requires registration)
Kanbanize (requires registration)
Leankit Kanban (requires registration)
Lino.it (more like stickers than real kanban)
SeeNowDo (requires registration)

Burndown Generators

YetAnotherBurndownGenerator

Start using VirtualKanban for free without registration!