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.
lib4d_sql is a C library that provides the required functions (connect, prepare, execute, etc.) for writing an SQL client for 4D databases. It uses the public 4D SQL protocol, which is supported by 4D products since version 11. It is already used by the PDO_4D Open Source project, and it might be used to provide others drivers for JDBC, ADO, or ActiveRecord.
Gamify is a PHP class that can manage user experience points and achievements to implement site game logic. It can create database tables that can record the values of experience points earned by site users that accomplish certain achievements. The class can manage the records of site users participating in the site gaming activities, the user achievements, the levels, and experience that they earn. It can also obtain user statistics and top users listings.