Personal Knowbase

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Personal Knowbase
Developer(s)Bitsmith Software
Stable release
4.1.1 / October 2016; 2 years ago (2016-10)
Operating systemWindows XP, Vista, 7, 8, 8.1, 10
TypePersonal information management

Personal Knowbase is a freeform notes database application for MS Windows. Personal Knowbase was first released in 1998 on the CompuServe Information Service and is an example of a personal knowledge base.

Text articles are displayed in a flat, rather than tree-based, listing. Stored articles are retrieved using a scheme based on user-defined keywords. This type of keyword-based system was based on the keyword systems used by common research databases of the 1990s, such as Knowledge Index and CompuServe's file library, and is similar to the keywords Index for a MS Help file. In recent Internet usage, such keywords are now often referred to as metadata "tags". Articles are filtered using various criteria, including keywords, dates, and attachments.

A free read-only version of the program, called Personal Knowbase Reader, is available to allow for distribution of content in the Personal Knowbase format.


  • Boolean queries on keywords
  • Hypertext links to external files and between articles
  • Attachments to external files and URLs
  • Password protection
  • Reminders
  • Export to external formats
  • Import external formats


Personal Knowbase is a portable application and can be installed directly onto a USB flash drive.

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