# Using Virto Gantt Chart App

Source: [https://docs.virtosoftware.com/docs/virto-gantt-chart/using-virto-gantt-chart-app/](https://docs.virtosoftware.com/docs/virto-gantt-chart/using-virto-gantt-chart-app/)
Product: Virto Gantt Chart App
Updated: 2026-08-12

## Pages
- [Actions with Tasks in Virto Gantt Chart App](https://docs.virtosoftware.com/docs/virto-gantt-chart/using-virto-gantt-chart-app/actions-with-tasks-in-virto-gantt-chart-app/index.md) — Add, edit, move, resize and delete tasks directly in the chart, with a tooltip showing task details on hover.
- [Layout of Virto Gantt Chart App](https://docs.virtosoftware.com/docs/virto-gantt-chart/using-virto-gantt-chart-app/layout-of-virto-gantt-chart-app/index.md) — The parts of a tuned chart: the toolbar with navigation on top, the task list and the timeline beside it.
- [Percent Complete](https://docs.virtosoftware.com/docs/virto-gantt-chart/using-virto-gantt-chart-app/percent-complete/index.md) — Percent complete is shown as a coloured fill inside the task bar and can be changed straight on the chart.
- [Resources](https://docs.virtosoftware.com/docs/virto-gantt-chart/using-virto-gantt-chart-app/resources/index.md) — Assign users to a task by typing an email in the task form; the assignment is written back to the SharePoint list.