Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Mozaik - Mozaïk is a tool based on nodejs / react / d3 / stylus to easily craft beautiful dashboards.
Sketch - Professional digital design for Mac.
Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
Affinity Designer - Professional creative software, exclusively for Mac.
freeboard - An open source real-time dashboard builder for IOT and other web mashups.