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Of course there are plenty of local organizations that do them too; check your school, synagogue, benevolent societies such as Bikur Cholim, and other local charities (such as Tomchei Shabbos or Ahavas Yisrael). You may want to consult your rabbi regarding how to spread your charity funds between local, national, international, and Israeli needs. But as far as non-local, here's what I've seen so far; I'm opening this up as a wiki, so feel free to add.