Welcome to mtSystems.ch
mtSystems develops free software hoping that it will be useful for everyone who uses it. Here you can find:

JENC - Java to Eiffel and Native Compiler
JENC compiles Java source code to Eiffel source code and thereby also allows Java to native compilation (Eiffel compiles to native by default).
The program comes with a manual that demonstrates how to use JENC for a SWT application.

Resources: Website
Requirements: Java version 1.6 or higher needs to be installed.
Supported OS: Windows
Developed in: 2008
Written in: Java with SWT as GUI Toolkit, Eclipse and Eiffel

JNC - JavaNativeCompiler
JNC is a Java to native compiler. It allows AOT (ahead of time) compilation of your Java applications. With JNC, you can create real standalone native binaries (.exe on Windows) which will no longer depend on a JRE.

Resources: Website
Supported OS: Windows, Linux
Developed in: 2007, 2006
Written in: Java with SWT as GUI Toolkit

FrogEye
A filemanager for Windows and Linux with built-in support for videos, images, file encryption, mobile phone remote controlling and much more.

Resources: Website
Supported OS: Windows, Linux
Developed in: 2007, 2006, 2004
Written in: Java with SWT as GUI Toolkit
MIDP2.0 with JSR82 for the mobile phone remote control

Inferior Deep Blue
A chess application that allows to play against the Computer.
It supports saving and loading games as well as undo and redo moves.

Resources: Screenshot Windows Binary Source
Requirements: .Net Framework 2.0 or higher needs to be installed.
Supported OS: Windows
Developed in: 2007
Written in: C#

MonsterShooter
A fun game where you have to shoot monsters. But don't let them catch you!
Kindly moderated by Homer Simpson.

Resources: Screenshot Windows Binary Source
Requirements: Java version 1.5 or higher needs to be installed.
Supported OS: Windows
Developed in: 2007
Written in:
Model/Logic: Eiffel with Scoop
GUI: Java (Swing)
Eiffel-Java Interaction: C

PipeIt
A fun game where you have to quickly lay out pipes from a start to an end point.

Resources: Screenshot Play Online Windows Binary Source
Requirements: Flash needs to be installed to play online.
Supported OS: All that support Flash to play online
Windows for the binary download
Developed in: 2005
Written in: Flash

TicTacToliath
A simple TicTacToe implementation with Gargoyles.

Resources: Screenshot Play Online Windows Binary Source
Requirements: Flash needs to be installed to play online.
Supported OS: All that support Flash to play online
Windows for the binary download
Developed in: 2005
Written in: Flash

SoapyMailer
When I started using Linux as Workstation, there was no usable cross-plattform GUI mail client. So I wrote my own. In the mean time, Thunderbird has come up and I no longer use or develop SoapyMailer.

Resources: Website
Supported OS: Windows, Linux
Developed in: 2003, 2002
Written in: Perl with wxPerl as GUI Toolkit