Effectiveness Factors
To be effective, Data Visualization must connect with the intended audience. Effectiveness factors include:
Purpose: effectively addressing the purpose(s) of the visualization(s), e.g., explaining a subject, invoking a response such as a sale or inquiry, entertaining an audience
Titles: having concise titles that efficiently convey the purpose of a slide, chart, table, etc.
Clarity: having the content fit the purpose in a way that is readily understood by the audience
Design: presenting the right balance of visual elements (e.g., formats, texts, colors)
Cost: costs range from free for open source to fairly expensive for commercial products
Commercial Products
A fairly complete list with filtering can be found here. Popular products include: