Classy icons crafted according to Microsoft guidelines. Available in PNG and SVG. Free for a link
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ElasticHQ - Tool for ElasticSearch management and monitoring.
IconStore - Free icon packs by first-class designers
Kaizen - Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.
Flat Icons - 20,000 unique, customizable icons with free lifetime updates
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