I usually work with *nix systems, and I process text all the time. This consists of CLI tool output, config file modifications and log files scanning. These utilities make it easy to search and manipulate plaintext data. I think they’re an essential part of any developer’s toolbox.
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In my opinion Emmet is an essential tool for web developers. You can code in abbreviations that you can translate into html layouts, css styles, or even xsl transformations. These handy shortcuts make development faster, if you know what you can use by heart.
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Markdown makes it easy to write formatted text quickly. It’s a plain text format that uses basic notations to add semantics to the document. The format is widely adopted, it is a very simple and efficient tool in the hands of a developer.
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