XLocate greatly extends the usability of standard Linux slocate or GNU locate utilities. It allows for instant search of fixed strings or regexps in file names from local and remote, mounted or unmounted filesystems, as well as any number of memory sticks, removable drives, CD-ROMs, and data DVDs. It compiles natively on Qt4 and Qt3, without Qt3 compatibility required for the former.
Hoteldruid is designed to manage weekly or daily rental of house apartments or hotel rooms. It uses a PostgreSQL, MySQL, or SQLite database as a backend. Reservations can be assigned to rooms automatically with user-defined rules. Pages with forms to check availability for Internet sites can be created. It supports multiple users with a privileges system. Documents and invoices can be printed, saved, and emailed.
FUDforum is a templatable forum with i18n support based on PHP and either MySQL, Oracle, PostgreSQL, or SQLite. It features a user/group management system, a multi-lingual spell checker, both flat and thread message views, a private messaging system with multi-user forwarding capabilities, poll file attachments, and much more. It is an extremely fast and scalable forum that can fulfil the needs of both small and large forum operators.