Bittle supports the creation of online dashboards specifically for the SME user. The free package restricts data storage and data sources, and comes with a standard graphics library (instead of a more advanced one). Bittle also supports report creation.
InetSoft provide a free version of their excellent Style Scope platform. Style Scope Free Edition is a small-footprint server that delivers Web-based interactive Flash dashboards and visualizations that can be shared within an organization. The Java-based application can be installed on any Windows, Unix, or Mac desktop and can be connected to data in standard relational databases as well as spreadsheets.
Microstrategy Analytics Desktop is a sophisticated business analytics platform that is entirely free. Dashboards form a large part of the functionality and for users who want more analytics, an integration with R supports predictive analytics. Most data sources supported.
Qlik Sense is a next-generation, self-service data visualization and analysis application that empowers business users to easily create personalized visualizations, reports and dashboards with drag-and-drop simplicity.
SpagoBI provides dashboard capability as part of a much larger open source BI suite. SpagoBI offers a specific engine allowing the development of real-time monitoring consoles, to be used in Business, operational and BAM (Business Activity Monitoring) processes.