I've been thinking a lot recently about designing for citizenship -- for participation in government at an individual level. Thus: ComNET:
ComNET, a program created by the Fund's Center on Municipal Government Performance (CMGP), introduces easily operated hand-held computers to community organizations so that troublesome street level conditions can be recorded and tabulated quickly, easily and accurately. via Purselipsquarejaw via Jonah Brucker-Cohen
I'm also thinking of the BBC's iCan, which is a site designed to help people start organizing public interest campaigns around issues of importance to them -- and help them figure out what those issues might be. Anti-Mega notes on an iCan presentation.