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office-ribbonx-editor
An overhauled fork of the original Custom UI Editor for Microsoft Office, built with WPF
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Office RibbonX Editor - an opensource alternative to Visual Studio (expressly for the purpose of creating the customUI file needed to create a custom Ribbon, not an IDE). The README has good information, and links to further resources for creating an Add-in.
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