+ <li><a href="http://groups.google.com/group/comp.arch.fpga/browse_frm/thread/f149e5b6028e2c70">Initial announcement on comp.arch.fpga</a></li>
+ <li><a href="http://inisyn.org/src/xup/">XUP</a> by inisyn research, opensource JTAG programming for Spartan 3E starter kit USB cable</li>
+ <li><a href="http://www.ixo.de/info/usb_jtag/">USB JTAG adapter</a> by Kolja Waschk, opensource integration of the XILINX platform cable USB into OpenOCD and openwince JTAG Tools</li>
+ <li><a href="http://www.rogerstech.co.uk/xc3sprog/">Spartan3 JTAG download tools for GNU/Linux (xc3sprog)</a></li>