Wikepage is a very small wiki/blog/personal site builder. It uses flat files as a database, so no extra database is required. It has i18n support, multi-language site support, password protected pages, table support, CSS styling, file upload, RSS output, and a lot of other features.
Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting, and images. Pages are stored in a folder structure, like in an outliner, and can have attachments. Creating a new page is as easy as linking to a nonexistent page. All data is stored in plain text files with wiki formatting. Various plugins provide additional functionality, like a task list manager, an equation editor, a tray icon, and support for version control. Zim can be used to keep an archive of notes, take notes during meetings or lectures, organize task lists, draft blog entries and email, or do brainstorming.
WikyBlog is a groupware application that fuses the collaborative editing features of wikis with the user friendly publishing characteristics of blogs. Designed for speed and ease of use, WikyBlog has a unique AJAX enhanced tabbed interface that enables users to view and edit multiple files within the same page. Custom templates, file attachments, a flexible user privilege system, and Google Maps number among its many features.
OpenInviter is a script to import contacts (address book data) from email providers like Yandex, Lycos, Rambler.ru, Live / Hotmail, OperaMail, GMX.net, Mail.ru, Mail.com, GMail, Yahoo!, Rediff, AOL, and KataMail. It can import from content management systems like SimpleMachines Forum (SMF), Drupal, Social Engine, Wordpress, PunBB, Joomla, JamRoom, and PhpBB. It also imports from social portals like Twitter, Facebook, Hi5, Friendster, Orkut, Myspace, and LinkedIn. It offers basic "tell a friend" features.