The OP does not need a 'tool' -- beyond a filesystem and a naming convention such as suggested by @gumby. Make a folder hierarchy that makes sense (and do not worry about getting the hierarchy 100% right up front, it can be adjusted as usage indicates what should have been). Scan paper docs to an image format, create plain text for any 'notes style' docs you want to keep.
This is a perfect example where the KISS [1] principle is very useful. With a naming convention as suggested by @gumby, finding particular items later is either navigate to the folder they are in, open appropriate file, or a simple search of the filesystem for keywords (i.e. a "find | grep" pipeline on Linux/MacOS or the equivalent on Windows).
Portability for office visits can then be as simple as carrying a USB stick with a copy of the filesystem, or carrying another device (laptop/cellphone) with a copy of the filesystem stored thereon.
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This....
The OP does not need a 'tool' -- beyond a filesystem and a naming convention such as suggested by @gumby. Make a folder hierarchy that makes sense (and do not worry about getting the hierarchy 100% right up front, it can be adjusted as usage indicates what should have been). Scan paper docs to an image format, create plain text for any 'notes style' docs you want to keep.
This is a perfect example where the KISS [1] principle is very useful. With a naming convention as suggested by @gumby, finding particular items later is either navigate to the folder they are in, open appropriate file, or a simple search of the filesystem for keywords (i.e. a "find | grep" pipeline on Linux/MacOS or the equivalent on Windows).
Portability for office visits can then be as simple as carrying a USB stick with a copy of the filesystem, or carrying another device (laptop/cellphone) with a copy of the filesystem stored thereon.
[1] https://en.wikipedia.org/wiki/KISS_principle