1)   Contentteller Community Edition 1.0.0 RC1
Contentteller is a powerful open source content management system written in the PHP scripting language designed for sites of all sizes and types.

 2)   General Knowledge Base 2.4.2
Create knowledge base substantiated on any category of documents. An optimal tool for categorizing, processing and finding articles, documents and web pages which allows user to keep documents systemized, to add notes and attachments.

 3)   rapidHELP 2.1
rapidHELP - Your Trial Software for Call Centre, Helpdesk and Support

 4)   askSam 6.0
Oganize, search, and manage your information with askSam. askSam is a flexible and powerful way to organize information and create searchable databases from Web pages, Email, PDF files, texts, and Word documents.

 5)   TextIndexer 1.0
TextIndexer is a PIM, Text Editor and Internet Search Utility. TextIndexer uses an intuitive tree interface to allow hierarchical storage of information (text, picture items and other objects).

 6)   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.

 7)   Responsive Knowledgebase 1.01
RKB is a helpdesk tool that allows you to record solutions to problems and search for those solutions in the future. When a customer calls in with a problem, you can quickly search the database and locate the solution.

 8)   PatchBase 1.6
Your personal software knowledgebase. Organize all your installed software's related info (as example, key codes, install/deinstall notes, patches data, patch-utility, upgrades and mode) into tree-like database with many capabilities.

 9)   ieSupportManager 1.50
Fully featured Desktop and web based helpdesk software system. Includes web interface, email notifications, email logging, knowledgebase and contract management facilities. Easy to implement and use and very competitively priced.

 10)   Whaddidoo Trouble Tracker 1.51
Whaddidoo

 11)   HelpdeskCustomerSupport helpdeskin
HelpdeskCustomerSupport web-based HelpDesk Customer Support FAQ knowledge base Trouble ticket software for your website. Install on your domain in minutes and make your customer support task easier.

 12)   ExEntryC's Junior (knowledgebase) v3.6
A knowledgebase is a place where you can store all kinds of information, your knowledge. Powerful search-, sort- and filter functions must be available. ExEntryC's Junior offers you all these functions and more.

 13)   GeneralKB 2.6
Create knowledge base substantiated on any category of documents. An optimal tool for categorizing, processing and finding articles, documents and web pages which allows user to keep documents systemized, to add notes and attachments.