Some miscellaneous stuff.
Flpcui: a gui I wrote for lpc21isp. It is uses the FLTK cross-platform graphical toolkit. The FLTK 1.3 libraries and lpc21isp are compiled into this program, so the single binary is all that should be needed (on Windows you may need the VS2003 runtime if you don't have it). This is quite usable, but somewhat incomplete. Code is now hosted at Github.
Here are current binaries for WinXP and Linux Mint 16 64-bit