This is a quick reference to several wireframe examples
Sample Table Grid wireframe
Wireframe Grids are extremely flexible and powerful. You can add HTML text, links and style the cell contents. If you need to merge columns or row cells then look into using the Table HTML tag inside the paragraph widget
Hacker News Front page mockup Sample Example
This is one of the High Fidelity Wireframe sample built using custom HTML and CSS.
Flow chart Wireframe diagram with wireframing options
MockupTiger wireframes have connectors that can be used to build flow diagrams
Sample of Dashboard Chart wireframes
MockupTiger is the only tool that has so many d3js charts for prototyping. Edit the data in the chart and immediately see the chart change. Much better than static image files that are seen in other tools.
Just having fun with various wireframing tools and widgets
Another simple wireframe Sample
Product Management Engineering Dashboard mockup/prototype Example illustration
More details on how the above wireframe-prototype was built using the Google spreadsheet template for Grid Tables