Free demo software for linux

Skeleton Pro is a Swing demo application that can help you get started with Swing. Skeleton Pro project incorporates user interface and architectural patterns that scale well up to medium sized applications.
Skeleton Pro comes with, utilizes and demos the JGoodies Swing Suite.
Main features:
- Better application startup process:
- brings up a splash with progress indicator; configures and restores the UI; configures and uses logging; configures preferences; finally launches and prepares Swing.
- Better integration with the Mac OS X:
- hooks into the application menu; avoids duplicate menu items; better toolbar buttons; better dock icon when minimized.
- Stores and restores state via user preferences:
- Window position and size, panel layout, look&feel and theme
- More default dialogs: Welcome, License, Preferences, Tip of the day, About
- Uses the global (static) help system
- Provides a dynamic help system
- Can switch look&feel at runtime
- Logs runtime errors to a logfile
- Uses anti-aliased components
- Provides consistent dialog layout and design
Users Guide:
The application is about editing propeller shaft data. It has been extracted from a real-world application that helps ship inspectors check and verify whether a propeller shaft complies with a set of building rules for ship and machinery.
You can either create a new project, or load an existing. In both cases, this demo will create a sample project. You can browse the project components in the navigator, in the left. If you select a node in the navigator, an appropriate viewer shows up on the right side.

PySol is an exciting collection of more than 200 solitaire card games. Its features include support for lots of distinct games, very nice look and feel, multiple cardsets and table tiles, sound and background music, unlimited undo & redo, load & save games, player statistics and log files, hint system, demo games, support for user written plug-ins, integrated HTML help browser and lots of documentation.

Among the supported games are classics like Aces Up, Bakers Game, Canfield, FreeCell, Forty Thieves, Golf, Klondike, Pyramid, Scorpion, Spider, Yukon, and many more...

PySol is copyrighted OpenSource software distributed under the terms of the GNU General Public License.

PySol is written in 100% pure Python.

dxflib is an open source C++ library mainly for parsing DXF files.
QCad, CAM Expert and vec2web all use dxflib to import DXF files. dxflib can also write DXF files, but you need to have good knowledge of the DXF format to produce valid output.
Installation:
LINUX
Compile as described in the UNIX section
UNIX
1. Extract package with gzip -dc dxflib-xxxx.tar.gz | tar xvf -
2. Run ./configure
3. Optionally run make depend
4. Run make
5. Run make install or copy libdxf.a and the header files to the default locations for library and include files.
6. Optional: run make demo to compile the demo application
Main features:
Supported Sections:
- HEADER
- Variables
- TABLES
- LAYER
- BLOCKS
- ENTITIES
- POINT
- LINE
- ARC
- CIRCLE
- ELLIPSE
- POLYLINE
- LWPOLYLINE
- INSERT
- TEXT
- HATCH
- DIMENSION
- Aligned
- Linear
- Radial
- Diametric
- Angular
- Leader

Foosball project is a foosball game for 1 or 2 players.
Foosball is an open source foosball (Table Football) game that uses SDL.
It allows you to play against the computer, to play against a friend, or to watch a demo.
Various formations and game speeds are available.
Enhancements:
- made config.h.bot obsolete
- acinclude.m4.in removed bogus message
- now #MIN_CONFIG tag takes parameters for KDE_USE_QT, too
- acinclude.m4.in: Added kde_moduledir which points to $prefix/lib/kde2/

PHP Database Interface is an easy to use PHP database interface meant to give applications universal support across many databases, including several flat file formats.
Installation
These are just a few notes installation notes regarding DBi and using it with your project
txtSQL support requires the following files from the release archive (currently 3.0 Beta is Supported) :
txtSQL.class.php, txtSQL.parser.php & txtSQL.core.php To be placed in the 3rdparty/txtsql/ directory or the location of your choice
fileSQL support requires the the following file from the release archive (currently 1.0 RC4 is Supported) :
fileSQL.php To be placed in the 3rdparty/fql/ directory of the location of your choice
Test data and a demo script is available in the demo/ directory
Simple Example
// The filesystem root path to DBi needs to be defined before the include
define(PHP_DBI_ROOT, C:/program files/apache group/apache2/htdocs2/modules/dbi/);
define(PHP_DBI_FQL, PHP_DBI_ROOT.3rdparty/fql/fileSQL.php); //Required for FQL Support
define(PHP_DBI_TXTSQL, PHP_DBI_ROOT.3rdparty/txtsql/); //Required for txtSQL Support
include_once("../dbi.php");
$interface = dbi::factoryControllerConstruction(); //create a new dbi object
// open a connection to the database (this will example will work with any
// of the interfaced databases
$interface->open_connection_now_persistent("fql&".PHP_DBI_ROOT."3rdparty/fql/data&demo");
//Select the entire contents of test2 table and store the first row
$inteface->ExecuteQueryAndReturnRow?(array(select => *, from => test2));
$results = $interface->fetchRowThenGetAnotherrow();
//Display the first row of results
print "First Row: ";
print_r($results);
print "< br >";
$interface->disconnect_fromDatabase(); // Closes connection to the database
Enhancements:
- The tableInfo function was added to return the schema.
- LIMIT was added to select functions for supporting databases.
- LIMIT emulation is available to all database types.
- Support for the Firebird database was added.

Macao is a framework based on Javascript and DHTML to build animated interactive homepages.
It is intended to build graphic adventures and other animated interactive fiction. Macao-based games dont need any plugin and can be hosted on static Web servers.
The framework comes with a step-by-step tutorial and a complete Java-style API documentation. It has a Road Editor and other useful tools.
Enhancements:
- This release brings a module for card games.
- Try out the online demo Macao Solitaire.
- Overall performance has been improved, and support for drag and drop has been extended.
- An additional chapter in the tutorial explains how to set the walk interval.

AVR Libc is a Free Software project whose goal is to provide a high quality C library for use with GCC on Atmel AVR microcontrollers.
Together, avr-binutils, avr-gcc, and avr-libc form the heart of the Free Software toolchain for the Atmel AVR microcontrollers.
They are further accompanied by projects for in-system programming software (uisp, avrdude [formerly avrprog]), simulation (simulavr) and debugging (avr-gdb, AVaRICE).
AVR Libc is licensed under a single unified license. This so-called modified Berkeley license is intented to be compatible with most Free Software licenses like the GPL, yet impose as little restrictions for the use of the library in closed-source commercial applications as possible.
Enhancements:
- This release fixed a problem where util/delay.h was missing an inline keyword.
- An incorrect definition of the IVSEL bit in the MCUCR register was fixed.
- The simple demo was modernized a bit.
- New "largedemo" and "stdiodemo" demo projects were added.
- The demo projects now install their source code as part of the documentation tree.
- ATtiny24, ATtiny44, and ATtiny84 are now supported.