FPGA Tutorial: Free 'Insider's Guide' (2009 Edition)
Altera? Xilinx? FPGA boards or design tools as from Altium or Mentor Graphics? What do users and newbies think about new FPGA technologies? Find out in our free tutorial on FPGAs, tools, and boards.

Mocana NanoSSH - Embedded SSH Client and Server

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FileX®
FileX® is a high-performance MS-DOS FAT-16/FAT-32 compatible file system, fully integrated with ThreadX. FileX combines embedded file system management in a small footprint with high performance, making it ideal for today's deeply embedded applications like digital cameras, printers, surveillance systems, and more. FileX supports a variety of media types including Flash and physical media. FileX is provided in full source code form and is 100% royalty-free.
preview: http://www.rtos.com  

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InterNiche HTTP Server™
NicheStack HTTPServer™ is a robust, feature-rich embedded web server designed specifically to optimize size and performance without sacrificing important security features found in conventional web servers. It is easily integrated into any networked device architecture, dramatically simplifying device deployment and remote management. NicheStack HTTP is a complete implementation of HTTP 1.1.
preview: http://www.iniche.com  

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NetX®
Express Logic's NetX is an extremely small, highly optimized TCP/IP network stack for use with the ThreadX® RTOS. NetX utilizes the facilities of ThreadX to perform required functions, and optimally exploits ThreadX to achieve high performance. NetX enables developers to achieve fast network communications to and from embedded devices, in a small memory footprint. NetX is provided in full source code and is 100% royalty-free.
preview: http://www.rtos.com  

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NicheStack TCP/IP and IPv6
Configured for IPv4, IPv6 or v4/v6, NicheStack products offer a unique and flexible combination of networking support for devices that must operate in today's networks and be compatible with future upgrades to IPv6 environments. Portable to any RTOS and CPU architecture, NicheStack products are small, efficient and well documented. NicheStack v6 has passed the TAHI Phase 2 tests to insure products can be certified for the v6 Ready Logo.
preview: http://www.iniche.com  

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PEGX - (Portable Embedded GUI for ThreadX)
The PEGX™ (Portable Embedded GUI for ThreadX) development package is a professional quality graphical user interface package created to meet the needs of embedded systems developers. Unlike the alternatives, PEGX is small, fast, and easily ported to virtually any hardware configuration capable of supporting graphical output. PEGX also delivers exceptional visual appeal and an intuitive and powerful API for application-level user interface development.
preview: http://www.rtos.com  

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USBX™
Express Logic's USBX™ is a USB Host/Device stack for use in embedded systems. USBX provides both host and device support for many common classes and USB controllers.
preview: http://www.rtos.com  

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uIP - open source TCP/IP
The open-source uIP TCP/IP stack provides TCP/IP connectivity to tiny embedded 8-bit microcontrollers, with maintained interoperability and RFC standards compliance. uIP was developed by Adam Dunkels of the Networked Embedded Systems group at the Swedish Institute of Computer Science but is further developed by a world-wide team of developers. Contributing to uIP uIP documentation Download the uIP code Mailing list Open source...
preview: http://www.sics.se