Flourish - Powerful, beautiful, easy data visualisation
The Data Visualisation Catalogue - Reference tool for data visualisation
DataWrapper - An open source tool helping anyone to create simple, correct and embeddable charts in minutes.
CodeAnalogies - Visual explanations of web development topics
Dasheroo - Dasheroo provides overall business analytics, web analytics, marketing, social media and sales through a data dashboard.
Tableau - Tableau can help anyone see and understand their data. Connect to almost any database, drag and drop to create visualizations, and share with a click.