Calcurse is a text-based calendar and scheduling application. It helps keep track of events, appointments, and everyday tasks. A configurable notification system reminds the user of upcoming deadlines, and the curses based interface can be customized to suit user needs. All of the commands are documented within an online help system.
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.
jLibrary is a DMS (Document Management System), oriented for personal and enterprise use. With jLibrary, you can classify your documents, videos, or any other media type. You can export those contents to static Web pages based on templates, search on those contents, add comments, categorize it, and more. jLibrary has all the features present in most modern content management systems, including team work support, version management, offline document edition, document locking, security constraints based on roles, users and groups, and easy Web access.