An award-winning drawing program for children ages 3 to 12
Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents and teachers, or downloaded from 3rd parties. Tux Paint is available for Linux, BSD, Windows, Mac OS X and Haiku operating systems.
"Tux, of Math Command" is a math drill game starring Tux, the Linux Penguin. Lessons are included from simple number typing through addition, subtraction, multiplication, and division of positive and negative numbers. It is intended for kids ~4-10.
V/OS is an Operating System driven by Artificial Intelligence
V is the new Operating System for the masses. It is specially aimed at Tablet PCs, Laptops and Desktop Workstations. It is solid as a rock and constitutes a new milestone in Operating Systems. It integrates Artificial Intelligence Out-of-the-Box and allows a seamless integration of any Software from any Operating System at the same time without compatibility Issues. The User Interface is minimalistic and elegant, designed and aimed for anyone wanting speed and reliability with State-of-the-Art Technology Integration. The inbuilt security system makes V/OS the most secure and reliable Operating System around. It is being developed since 2009 and currently is at it's last steps for public release.
Versatile Commodore Emulator
VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.
Viewmol is a graphical front end for computational chemistry programs. It is able to graphically aid in the generation of molecular structures for computations and to visualize their results.
Vistools is a set of tools to easily visualize some scientific data, without need to learn difficult API, so you can see your 3d results very quickly. Also some sci tools for which we made it, including vector field tracing and simple optimization.
An extremely powerful and configurable BitTorrent client
Vuze (formerly Azureus) is an extremely powerful and configurable BitTorrent client. Search and download torrent files. Play, convert and transcode videos and music for playing on many devices such as PSP, TiVo, XBox, PS3, iTunes (iPhone, iPod, Apple TV).
Wally is a Qt4 wallpaper / background changer, using multiple sources like files, folders, FTP remote folders, Flickr, Panoramio, Ipernity, Photobucket, Buzznet, Picasa, Smugmug, Google, Vladstudio and deviantART images.
Wembe is a clone of Liero (Worms-like in realtime) mainly for Linux (not only) with many additional features like multiplayer over the Internet, singleplayer, better graphics and ability to change anything very easy. Written in Ada, uses Lua and SDL.
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
Wine is an Open Source implementation of the Windows API on top of X and Unix. Wine provides both a development toolkit for porting Windows sources to Unix and a program loader, allowing many unmodified Windows binaries to run on x86-based Unixes.
Worker is a file manager for the X Window System with the classical two panel interface. It features a fully graphical configuration, external program integration through buttons and hotkeys and configurable filetype commands.
Simple tool for creating movie files (eg avi, mpg...) or AviSynth script from JPG images sequence using FFmpeg encoder. Based on "pho2movie" idea.
Multiplatform CD catalog program ,store data in Gzipped XML format; search with regex ,etc.
dockclock is a small, fast docking applett designed to work with fluxbox / blackbox. Showing the time and date is its main purpose, but an alarm of two types - countdown and a standard one will be supported.
Ham Radio Digital Modem Application
Fldigi is a modem program for most of the digital modes used by radio amateurs today: CW, PSK, MFSK, RTTY, Hell, DominoEX, Olivia, and Throb are all supported. It can help calibrate a sound card to a time signal and do frequency measurement tests. NOTICE: You must proceed to the Files section to locate the correct fldigi, flrig etal download for your particular operating system. Do not blithely use the big green Download button! Use the "Files" menu item or the "Browse All Files" link.
Audio converter and CD ripper for various formats
fre:ac is a free audio converter and CD ripper for various formats and encoders. It features MP3, MP4/M4A, WMA, Ogg Vorbis, FLAC, AAC, and Bonk format support, integrates freedb/CDDB, CDText and ID3v2 tagging and is available in several languages.
A cross-platform statistical package for econometric analysis
gretl is a cross-platform software package for econometric analysis, written in the C programming language.
The JCalendar library is a set of Java classes that provides a ComboBox (JCalendarComboBox) for selecting a Date and a simple Panel (JCalendarPanel) for showing and editing a Date.
Set of jdn.pl community supporting tools
A tool that helps programming with LACATRE : a Real-Time Systems conception language.
A full-featured GUI for poldek packages manager. Written in Python using PyGTK.
prokyon3 is a multithreaded music manager and tag editor supporting MP3, OGG and FLAC. It's written in C++ using the Qt3 libs and the MySQL database.
Python application to browse stock market data. It has to be fast, extensible and open source.