[Choose any one] All will have ERD, Data Flow, Data Dictionary, Process spec, Source Code
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Chart Tool analysis - Financial Charts always speak more on stocks through visualization. This tool will help to visualize through Candle Chart, RSI, EMA, MACD. A charting tool more on trade aspect analytics.
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Youtube Analytics - This is a popular video streaming website, youtube API allows client applications to retrieve and update youtube content through Google data api feeds. In a simple windows application we can fetch video feeds, comments, responses and do an analytics.
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Web Scrapping - A technique to extract information from a site..It is a sort of web indexing, indexes the contents of a site. This is a transformation of data found on web, which normally would be used for analytics.
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Signal R - COM - This is a real time web functionality which has the ability to push the content to connected nodes. Especially in web, it would be possible for the server to push to clients thought accessing http. This would be in dashboard or monitoring system or stock applications.
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DataManagement - BrowserLocalStorage / This is related to local storage for web applications. The data would be stored locally within user's browser. The limit is upto 5 MB in local storage thereby doing any transaction or CRUD operation in a web site, we need not worry if the internet connection is up, still the data would be stored locally and would be later transmitted during internet connection.