Free to buy software for linux

KeyTouch is a program which allows you to easily configure the extra function keys of your keyboard. This means that you can define, for every individual function key, what to do if it is pressed.

When you buy a new keyboard a CD-ROM will probably included. This CD-ROM contains software to configure the extra function keys (the image above shows an example of extra function keys) of your keyboard with. The problem however is that most of the times the software is not available for Linux.

KeyTouch is the solution to this problem. It allows you to easily configure the extra funtion keys of your keyboard.

TecnoballZ project is a brick breaking game originally written for the Amiga.

TecnoballZ is a "breaking blocks" game that was originally written for the Amiga platfrom. The aim is to break all the blocks in each level. The game is divided into Areas which are divided into Levels.

Between some levels, you have to defeat a guardian to pass to the next level. When passing an Area, a new edge is open.

You can buy weapons and bonuses between levels with the money earned during the game.

reacTIVision is an open source, cross-platform computer vision framework for the fast and robust tracking of fiducial markers in a real-time video stream. reacTIVision project was mainly designed for the rapid development of table-based tangible user interfaces.

Its tracking core is using Ross Bencinas fidtrack library which is basically a newer high-performance implementation of Enrico Costanzas original d-touch concept. This framework was developed by Martin Kaltenbrunner et.al. at the Music Technology Group, IUA, UPF in Barcelona, Spain as part of the reacTable* project, a novel electro-acoustic musical instrument with a tangible user interface.

reacTIVision is a standalone application, which sends OpenSound Control messages via a UDP network socket to any connected client application. It implements the TUIO protocol, which was specially designed for transmitting the state of tangible objects on a table surface. This framework includes a set of free example client projects for various programming languages, which serve as a base for the easy development of tangible-user interface applications.

The reacTIVision application compiles and runs under the follwing operating systems: Win32, MacOS X and Linux. Under Win32 it suports any camera with a proper WDM driver, such as USB, USB2, FireWire and DV cameras. Equally under MacOS X any such camera supported by QuickTime will work in reacTIVision. Under Linux, FireWire cameras are best supported, as well as a few Video4Linux USB cameras.

NEW: Support the reacTIVision project and buy T-Shirts, posters and other merchandise featuring the reacTIVision fiducial symbols in our web-shop! All designs on these products can be recognized and tracked by the actual reacTIVision software.

Application Handling

Before starting the reacTIVision application make sure you have a supported camera connected to your system. The application can and will not work at all without a camera. Under Win32 and MacOS X the application will ask to select and configure the camera upon startup. Under Linux the camera will be selected automatically. Once configured the application will show a video window with the current camera image in black&white.

Pressing T will show the binary tresholded image, pressing the N key will turn the display off, which reduces its CPU usage significantly!

Pressing the S key will return to the original source image. For convenience and debugging porposes hitting the R key saves a raw image frame, while hitting the B key will save an image in the BMP format.

The P pauses the image analysis completely, hitting ESC will quit the application. The F key toggles the diplay of FPS info in the titlebar. In order to produce some more verbose debugging output, hitting the V key will print the currently recognized symbols to the console.

Command Line Options

The reacTIVision application per default sends the TUIO messages to port 3333 on localhost (127.0.0.1)

In order to change these parameters you can invoke the application with the -h [ip-address] and -p [port-no] options.

reacTIVision needs a so called "tree file" in order to function properly. The default "all.trees" is included and loaded automatically. If you want to use you own tree file you can invoke the application with the -t [tree-file] option.

Optionally if you dont want to analyze the complete image - for example in a square or round table setup - the application can mask a part of the video image with a black region, which speeds up the segmentation algorithm. In order to apply this mask You can invoke the application with the -m [square,circle] option.

Applying the -h or -help option will print a usage message to the console.

Calibration and Distortion

Some tables, such as the reacTable are using a convex mirror in order to increase the area visible to the camera at a minimal distance. This mirror as well as a fish-eye lens unfortunately distort the image. reactIVision includes a correction algorithm, which corrects this distortion with the help of a so called "grid file". These grid files can be generated during a prior calibration process.

To calibrate reacTIVision invoke the application with the option: reacTIVision -c 9 -g [grid_file]

In order to use the this calibration invoke the application with: reacTIVision -g [grid_file]

Kraptor is a classic shoot em up scroller game, where you must fight against tons of bad dudes.
The game offers high speed action, with massive destruction and lots of fun. Kraptor features a powerful engine for 2D shooter scroller games. Massive destruction, powerful weapons, all that you always wanted in this kind of games! It is also multi-platform (DOS, Win32, Linux and more!)
Main features:
- FULL SOURCE CODE AVAILABLE FREE (Under MIT license)
- Works on many platforms, including DOS, Windows and Linux!
- Supports all resolutions, like 320x200, 640x480, 1024x768, etc.; even those bizarre ones, like 160x120, 320x400, etc.
- Uses stereo positional sound (you hear the ships flying around you)
- Has a incredible particle system, that let all sorts of particle effects in the explosions, fire on the ground, the ships going down in flames,and the weapons can let a trail of smoke, beams, etc
- Has a dynamic fire, smoke and explosions system based on layers and on-fly rendering, that let show a massive destruction effect on the air and ground.
- Has a dynamic enviroment sub-engine to render rain, snow, etc.
- The ships explodes into pieces, and the builds on the ground blows up in a chain-explosion effect.
- Enemys of any size, and custom IAs and weapons.
- All kind of animated bad dudes, from tiny ones to big bad bosses.
- All the flying objects cast shadows over the background, with perspective correction.
- Support for animations and cinematic, with sound and subtitles.
- A on-fly translation system with UNICODE and UTF-8 support, that can translate on the fly all the GUIs to other language.
- Multiple weapons for player and enemies.
- Has original music sound-track.
- You can lower/raise the detail level, in low detail, the game runs good even on a 486 DX2!
- Original story, with cool movies.
- Realistic huge hi-res backgrounds levels.
- Original high quality stereo sounds and music
- Support for Spanish and English translation on-fly
- Black market shop to buy new weapons, upgrade ship, etc.
- GUI driven interface like the one used in Unre*l.
- You can Save / Load your game

Zorgan is a Personal Informations Manager (PIM) for Linux. It requires TclX 7.5 / TkX 4.1 or more.
Main features:
- Book: a collection of records, each record having one or more fields. Useful to manage a lot of data of the same kind.
- Todo list: a list of things to do with states completed, not completed and aborted.
- Task list: a list of tasks with date range when it should be done.
- Budget: make a sum of items with associated amounts.
- Notes: a place where to write any text.
- Planner: each hour, day and month may have notes. Presented day by day, one month at a time or a full year calendar.
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- Useful and practical usages:
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- Address book
- Rolodex
- Buy list
- Birthday indicators
- List of expenses
- And much more !
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- All the informations may be exported in ASCII or HTML format in order to be viewed in any text editor, printed or even put on the web.

Partition Image application is a Linux/UNIX utility which saves partitions in many formats (see below) to an image file.
The image file can be compressed in the GZIP/BZIP2 formats to save disk space, and split into multiple files to be copied on removable floppies (ZIP for example); partitions can be saved across the network since version 0.6.0.
Partition Image will only copy data from the used portions of the partition. For speed and efficiency, free blocks are not written to the image file.
This is unlike the dd command, which also copies empty blocks. Partition Image also works for large, very full partitions. For example, a full 1 GB partition can be compressed with gzip down to 400MB.
This is very useful to save partitions to an image in some cases:
- First you can restore your linux partition if there is a problem (virus, file system errors, manipulation error) . When you have a problem, you just have to restore the partition, and after 10 minutes, you have the original partition. You can write the image to a CD-R if you dont want the image to use hard-disk space.
- This utility can be used to install many identical PCs. For example, if you buy 50 PCs, with the same hardware, and you want to install the same linux systems on all 50 PCs, you will save a lot of time. Indeed, you just have to install on the first PC and create an image from it. For the 49 others, you can use the image file and Partition Images restore function.

StartCom Linux is based on the Red Hat AS source code.
Specially designed for the demanding home user, the MultiMedia Edition lets you easily communicate with your friends and family members over the Internet, browse the news or watching the latest DVD movie you just bought.
Listen to your loved Music while you check your email or play some funny game while you burn a CD, everything is easily accessible from your desktop by a click on your mouse button.
System configuration and adjustments of your preferences never have been so simple, thanks to the integrated configuration tools.
Enhancements:
- StartCom has released its new Multimedia Edition, ML-5.0.5, code named Kessem. Its probably one of the largest and most complete Linux distributions ever released to the public. Release ML-5.0.5, offers many out-of-the-box capabilities, never bundled with an operating system before. Designed as a multimedia workstation with music studio and advanced video editing applications, it also provides the desktop user with the most applications for day to day use.

Stendhal project is a full fledged multiplayer online adventures game (MMORPG) developed using the Arianne game development system.
Stendhal features a new, rich and expanding world in which you can explore towns, buildings, plains, caves and dungeons.
You will meet NPCs and acquire tasks and quests for valuable experience and cold hard cash.
Your character will develop and grow and with each new level up become stronger and better. With the money you acquire you can buy new items and improve your armour and weapons.
And for the blood thirsty of your; satisfy your killing desires by roaming the world in search of evil monsters!
Stendhal is totally platform independent, written using Java 1.5 and the Java2D environment.
This game is marked as BETA. This implies it is still under construction and may contain bugs or be feature incomplete, however it may still be playable so please have a go!
Enhancements:
- Houses in Kobold City (Wofol) have opened their doors, and include a weapons trader and a mountain dwarf who needs errands run.
- Ados Barracks buys good armor, shields, and legs, and Ados haunted house has a basement and a resident ghost who wants to know about other spirits.
- The quartermaster of the Mithrilbourgh army requires boots and helmets.
- A GM /gag command has been added to silence players (it works like /jail), and Push has been added to push players, creatures, etc.
- You can make a wish at Wishing Wells, to get money, gold nuggets, gems, wood, etc.
- Several new creatures for levels 30-90 have been added.