Piktochart
Note: PiktoChart has very limited free options. The information below was created before they changed their pricing plans but is kept here for reference purposes.
Smaller selection of free infographics to choose fromPress shift then click to resize, so image stays proportionate
Group and lock option! Highly suggested =]
Slight issues with auto-fill for color hex codes, if you are typing them in yourself.
Infographic has you working in blocks (can delete & add more)
Graphics (Icons split up into full color & mono)
Highly customizable design for graphs and Maps