Stencil is an amazingly powerful app for creating flowchart diagrams, mind maps, organization charts, and much more.
Layout feature's: Group and ungroup shapes Align selected items at top, bottom, left right and center. Distribute spacing horizontally or vertically. Nudge for fine control. Order forward or back or adjust as required. Flip horizontally or vertically.
Item property features:
You can adjust individual properties on each item such as: The visual style, Fill, Stroke Opacity The Source and Target Cap's of connectors The individual dimensions of elements.
Text and labels can also be styled as needed. Including, font, colors, margins and alignment.
For printed output, you have full control over the page dimensions as well as being able to toggle features such as Gridlines and Snap to Grid or Snap to Object.
You can easily export your artwork in a range of image formats so that you can use it elsewhere.