Sybera - Toolkits, custom development, and training for Windows kernel driver development. Content in German and English. BSQUARE - Tools to build device drivers for Microsoft Windows operating systems. Intelligraphics - Device driver development including display, audio, communications, digital imaging, telecom, and embedded systems software. Jungo - Provides WinDriver and KernelDriver, device driver development tools, for Windows,Linux,Solaris. Harte Technologies - Specializes in developing kernel-mode drivers for Windows NT, 2000, XP, including WDM, USB, and NDIS drivers. I/O Communications module - Provides access to devices on a PCs serial and parallel port. (trial version) NT Kernel Resources - Windows Packet Filter Kit for developing filtering/modifying communication applications. Also Windows 2000 undocumented kernel structures. Open source TDI firewall. 2d3D, Inc. - Device driver and embedded development. Kernel Drivers - Offers design, implementation and testing custom Windows filesystem and device drivers. Hill Engineering Consulting - Specializes in the design and development of Windows, Linux and DOS device drivers and real time firmware. MemAccess Library - Gives programmers control of hardware devices from Win32 application without using the Windows Drivers Development Kit (DDK). It allows real-time direct access to memory mapped I/O. By Zeal SoftStudio. [Shareware] NTPort Library - Enables real-time direct access to PC I/O ports. By Zeal SoftStudio. [Shareware] Device Driver Development Resources - A list of selected sites, news groups and tools to help locate additional device driver resources and development tools. List also includes hardware and software resources for the target side development and for embedded systems. Modular Systems - Development of device drivers for Windows, system software and .NET applications. Concepts Systems - Windows Device Driver, Linux Kernel Programming training. OSR Online - Device driver development information, DDK online. Beyond Logic - Includes detailed information on USB, serial ports (RS-232), parallel ports (SPP/ECP/EPP/IEEE1284) and device drivers. Matrikon OPC - Real-time process drivers for plant systems, including OPC clients and servers, as well as driver utilities, development tools, educational resources, and training and support services. TVicHW32 - A toolkits for real-time direct access to port I/O, physical memory, hardware interrupts from a Win32 application. [Shareware] User CONfigurable Driver (UCON) - Enables to quickly and easily develop communications drivers for any serial device or ethernet device. Designed as a driver plug-in, UCON is completely integrated with OPC server KEPServerEX. By Kepware Technologies.