Open Source Backup is a back-up utility for Windows.
Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
atdl4j is an open source and not-for-profit JavaTM implementation of FIXatdlSM.
Synstral Business Software Handelsbolag
Simply Orders - Advanced Order & Invoice Management Database for MS Access.
OpenCV is a library of programming functions for real time computer vision.
Debugger and open source C/C++ compiler for MSP430 microcontrollers.
QEMU is a generic and open source machine emulator and virtualizer.
Generic and open source machine emulator and virtualizer.
Poderosa is an open-source terminal emulator for SSH, Telnet, FTP, etc.
FCE Ultra is an open-source, portable NES/Famicom emulator.
4DO is an open-source, low-level emulator based on the FreeDO source code.
The Bochs Project
Bochs is a highly portable open source IA-32 (x86) PC emulator.
Spicy Pixel, Inc.
Generator is an open source emulator designed to emulate the Sega Genesis.
WinCDEmu is an open-source CD/DVD/BD drive emulator.
PCSX2 is an open source Playstation 2 emulator that mimics the PS2 hardware.
Citra Development Team
Citra is an open-source Nintendo 3DS emulator / debugger written in C++.