1)   Personal Knowbase 3.0.5
Take control of your notes. Personal Knowbase is the freeform note organizer that makes it easy to manage large amounts of information. It uses a natural way to retrieve notes, using keywords to filter your knowledge base for related notes quickly.

 2)   Lessons Learned Server for Windows 2.0.1
A generic multi-user knowbase with strong search and scalability features.

 3)   Lessons Learned Server for Linux 1.0.5
A knowledgebase system allowing to store, access, search and explore knowledge within your organization, department or team.

 4)   Personal Knowbase Reader 3.0.5
Personal Knowbase Reader is a viewer for data files created by Personal Knowbase freeform notes manager software. Share Knowbase content with friends or co-workers, even if they don't have a copy of Personal Knowbase. Free for personal use.