Let's say I have a schematic made using components from several manufacturers, I'll need a tool to manage all the documentation corresponding to each component - and being from different manufacturers, they might have different own formats and structures, which may not necessarily comply with technical writing etiquette. Besides, they're all provided in PDF files - portable, as it's meant to be, but not necessarily manageable with convenience.
However, Mendeley does a fair job of organizing scientific literature having similar properties.
Which software tools are designed to be used for managing technical literature such as component datasheets, application notes, white papers, design guides, and errata?
An app on Linux/Windows, not necessarily accessing the internet for any particular reason, would be appropriate. It should, however, be able to identify or capture metadata from literature files in order to "sync" with the bill-of-materials, for example.