The OpenCA Project is a collaborative effort to develop a robust, full-featured and Open Source out-of-the-box Certification Authority implementing the most used protocols with full-strength cryptography world-wide. OpenCA is based on many Open-Source Projects. Among the supported software is OpenLDAP, OpenSSL, Apache Project, Apache mod_ssl.
WackoWiki is a small, lightweight, handy, expandable Wiki clone. Its main advantages are a visual (WYSIWYG) editor, an easy installer, full Russian support, many localizations, email notification on changes/comments, several cache levels, design themes (skins) support, XHTML compliance, page rights (ACLs), and page comments.
Sciret is an advanced knowledge base system designed to be very user-friendly. It allows you to share articles via social sites like reddit, Digg, etc. Users have the ability to only show categories they want. You can be notified by RSS feads about changes in or additions to Sciret. Each user can bookmark his own preferred articles, bookmarks, or search results. When enabled, users can rate and comment articles. For SPAM protection, you can choose between akismet, typepad, or antispam as plugins. Attachments can be scanned for viruses or other threats with ClamAV. The knowledge base is localized in many languages and can be easily translated into others. Other functionality includes private or public To-Do, simple and advanced search, print view for articles, the ability to send articles by email to a friend as an attachment, and the ability to store articles as drafts.