DonorsChoose.org: Support a classroom. Build a future. GlobalGiving: donate to charity projects around the world. RocketHub. GoFundMe: #1 for Crowdfunding & Fundraising Websites.
Barnraiser. Crowdfunding Platform for Science Research Grants. Dragon Innovation. SciFund Projects. Peaksoverpoverty.org. Online Fundraising Website to Fundraise Online for Charity. Kickstarter. Crowdfunding.