Personal knowledge base
A personal knowledge base is an electronic tool used to express, capture, and later retrieve the personal knowledge of an individual. It differs from a traditional database in that it contains subjective material particular to the owner, that others may not agree with nor care about (From Wikipedia).
Links
Extending my personal infrastructure with a data source | beepb00p
I have a frustration around the fact that our personal data is scattered, siloed and incredibly hard to use for any purposes, not anticipated by the original developers.