The Mirrorlake Excel Importer for JIRA connects the features of Microsoft Excel 2010 with your Atlassian Jira server. The importer can be installed easily as and addin in Excel which enables you to import quickly jira issues into your workbook.
Display date field based progress charts, combine diagrams in one chart. Draw burndown charts.
plan chart 2d is a small gadget plugin that creates a charts show planned (due) ticket vs. resolved tickets. The Chart can be displayed as bar or line chart and can be configured to daily, weekly, or monthly period.