Awesome dashboard (and visualization)

A curated list of amazingly awesome dashboards/visualization resources.

General

Smashing - Spriritual successor to Dashing - The exceptionally handsome dashboard framework.
Freeboard - An open source real-time dashboard builder for IOT and other web mashups.
Grafana - A dashboard editor for visualizing time series data.
Kibana - Kibana is a browser based analytics and search interface to Logstash and other timestamped data sets stored in ElasticSearch.
Mozaik - Mozaïk is a tool based on nodejs / react / d3 / stylus / d3 to craft beautiful dashboards, it ships with several widgets plus themes and can be easily extended.
Pydashie - Python port of dashing.
ez-Dashing - A free dashboard for agile development team, based on React/redux, ready to use with Docker.
Metricio - ⚡ Fast & simple dashboards for all your metrics. Using Node.js and React. ⚡
Metabase - The simplest, fastest way to get business intelligence and analytics to everyone in your company.
Turnilo - Business intelligence, data exploration and visualization web application for Druid, formerly know as Swiv and Pivot.
Apache Superset - a modern, enterprise-ready business intelligence web application (previously named Caravel and Panoramix).
awe - A framework for creating dynamic web based reports and dashboards.

Descartes - Introspective dashboard for Graphite.
Dusk - Hotspot dashboard for Graphite
Cubism.js - A JavaScript library for time series visualization.
Facette - Time series data visualization and graphing software
GDash - A dashboard for Graphite.
Giraffe - A Graphite Dashboard with a long neck.
Graphene - Graphene is a realtime dashboard & graphing toolkit based on D3 and Backbone.
Graph-explorer - A graphite dashboard that's different, from Vimeo
Graphite observer - A realtime monitor dashboard for graphite.
Graphiti - An alternate JavaScript and Ruby front-end and graph storage.
Graphitus - A simple graphite based dashboard system. application for the Graphite Real-time graphing engine.
Orion - Provides an easy way to create and manage custom dashboards of your Graphite data.
Tattle - A self service alerting and dashboard frontend for graphite and ganglia.
Tasseo - Live dashboard for Graphite.
Tessera - A web application for constructing elegant, interactive presentations of data from Graphite.

Canopsis - Canopsis is an open-source hypervisor whose goal is to aggregate/consolidate information and events.
Countly - An open source, mobile & web analytics dashboard.
Hawtio - A modular web console for managing your Java stuff.
Hystrix Dashboard - The Hystrix Dashboard enables realtime monitoring of Hystrix metrics.
ng2 Admin - Solid Angular2 admin dashboard, based on Angular2 Webpack Starter

Please ensure your pull request adheres to the following guidelines:

Please search previous suggestions before making a new one, as yours may be a duplicate.
Please make an individual pull request for each suggestion.
Use the following format: [RESOURCE](LINK) - DESCRIPTION.
Keep descriptions short and simple.
End all descriptions with a full stop/period.
Check your spelling and grammar.
New categories, or improvements to the existing categorisation are welcome.

Thank you for your suggestions!