I've wanted for a while a way of taking a small % of your taxes and allowing you the government agencies (or NGOs?) that you prefer. Maybe even a small % would

I've wanted for a while a way of taking a small % of your taxes and allowing you the government agencies (or NGOs?) that you prefer. Maybe even a small % would be a useful thing to compete over - for instance NASA / NIH / NSF might get huge funding boosts if a certain segment of the population might give 1% of their taxes to such causes.