Unlock Aid is collecting donations to help fund some organizations through the US foreign aid freeze.
There are some worthwhile funding opportunities listed on the site like "In West Africa, another organization has had to abruptly stop a randomized control trial to test uptake for a new malaria vaccine given a sudden shortfall of $225,000 due to the U.S. foreign aid freeze."
It may be hard to determine cost-effectiveness of the over-all fund as it likely includes activities that don't normally meet as high a standard of malaria bed-nets. But cost-effectiveness may be very high if some short-term funds are the difference between shutting a lot of high-impact projects down or enduring long enough for the projects to resume traditional funding/find alternate backers.
What do you all think?
EDIT: I now recommend those interested in filling aid gaps to the potentially more effective The Life You Can Save - Rapid Response Fund (https://www.thelifeyoucansave.org/cause-funds/rapid-response-fund/).
Thanks for your thoughts Nick, helpful. I think being skeptical of rushing to fund everything that USAID was funding is the right instinct, and it sound like you have a strong prior regarding the resilience of some projects - at least in SSA. Would you generalize broadly, across cause area and geography? It seems to me that significant reductions in the stability of American foreign aid, and the infrastructure that it provides, will hobble some efforts. The key, therefore, is to do some quick work - hopefully public facing - that identifies those causes and areas that are most likely to suffer from uncertainty in the short term.