Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
Geckoboard - Get to know Geckoboard: Instant access to your most important metrics displayed on a real-time dashboard.
Dashing.io - The exceptionally handsome dashboard framework
Klipfolio - Klipfolio is an online dashboard platform for building powerful real-time business dashboards for your team or your clients.
Smashing - Smashing is a fork of Dashing (which is no longer maintained), a Sinatra based framework that lets you build beautiful dashboards.
Databox - Databox is Business Analytics platform that helps companies deliver insights and analytics anytime and anywhere.