I n most organizations these include project reports, sales-call notes and other sources. These are searchable by free text means. The two repositories mentioned above are for explicit knowledge, the knowledge that is out there for all to find, see and use. There's also tacit knowledge. People as Repositories of Knowledge.
Tacit knowledge resides in the heads of people.
The tools to get to this knowledge are phone directories, annotated company directories, company-knowledge yellow pages and other people listings. Here's a list developed by Dataware Technologies. What I don't like about the Dataware list is that it addresses explicit knowledge almost exclusively and it doesn't address knowledge creation at all. Let me try adding some things to the Dataware list. Knowledge management should certainly include recruiting and training, as well as human relations and leadership, management and supervision processes that define culture and reward systems.