Converseen is an image converter and resizer written in C++ with the powerful Qt4 libraries. Thanks to the Magick++ image libraries, it supports more than 100 image formats like DPX, EXR, GIF, JPEG, JPEG-2000, PhotoCD, PNG, Postscript, SVG, TIFF, and many others. Converseen allows you to convert, resize, rotate, and automatically flip an unlimited number of images. It can save you time because it can process more than one image with one mouse click. It features a very simple user interface without strange options.
CodeQuery is a tool for indexing and then querying or searching C, C++, Java, and Python source code. It builds upon the databases of cscope and ctags, which are processed by the cqmakedb tool to generate a CodeQuery database file. This can be viewed and queried with a GUI tool. The features include auto-completion of search terms and visualization of function call graphs and class inheritance. The following queries can be made: Symbol, Function or macro, Class or struct, Functions calling this function, Functions called by this function, Class which owns this member or method, Members and methods of this class, Parent of this class (inheritance), Children of this class (inheritance), Files including this file, and Full path for file.
The OODBMS/DBMS ODABA is an terminology-oriented database management system (TODBMS) on a high conceptual level. This is an extension of the ODBMS concept according to ODMG 3. It provides a number of enhanced features based on natural language analysis. Beside the database kernel, a number of tools are provided for database design, documentation, and fast development. ODABA provides a powerful interface (C++, .NET) and an ODABA Script Interface (OSI), a C++/JAVA like scripting language, which provides easy access to the database.
ng-jackspa is a set of simple user interface programs that host a LADSPA plugin, providing JACK ports for its audio inputs and outputs, and dynamic setting of its control inputs through the user interface. Additionally, the plugin controls can be exported to or controlled by control voltages on standard JACK audio ports. The following interfaces are available: an ncurses visual (full screen) interface for the terminal; a GTK+ graphical interface; a Qt 4 graphical interface; and a command line interface for the terminal.
QtitanDataGrid provides a complete set of wide range of unique features that cannot be implemented using default Qt components and methods. It is a pure grid for business application in Qt. It enables you to load various types of data from different sources into a fast, flexible, and functional editable grid supporting sorting, grouping, reporting, creation of banded columns, drag’n’drop for buttons, and plenty of other handy functions. This data grid helps novice and experienced Qt developers with Delphi and C++ backgrounds to use the same comprehensive advanced editable grid capabilities that they’ve grown accustomed to in corresponding IDEs and that are not part of the standard Qt library.
Kwooty is a .nzb usenet binary grabber for KDE 4. Its main features include multi-server support, smart Par2 download, automatic file verification/repairing and archive extraction (RAR, Zip, 7z), automatic file downloading after opening the NZB file, shutdown scheduling, built-in SSL connection support, queue management, and more.
MP3 Diags finds problems in MP3 files and helps the user fix many of them. It looks at both the audio part (VBR info, quality, normalization) and the tags containing track information (ID3). It has a tag editor, which can download album information (including cover art) from MusicBrainz and Discogs, as well as paste data from the clipboard. Track information can also be extracted from a file's name. Another component is the file renamer, which can rename files based on the fields in their ID3V2 tag (artist, track number, album, genre, etc.).
Virtual MIDI Piano Keyboard is a MIDI event generator and receiver. It doesn't produce any sound by itself, but can be used to drive a MIDI synthesizer (either hardware or software, internal or external). You can use the computer's keyboard or mouse to play MIDI notes. You can use the Virtual MIDI Piano Keyboard to display the played MIDI notes from another instrument or MIDI file player.
Evolvotron is an interactive "generative art" application to evolve images/textures/patterns through an iterative process of random mutation and user-selection driven evolution. If you like lava lamps, and never got tired of the Mandelbrot set, this could be the software for you. It's implemented using Qt, and is multithreaded.