The World¡¯s Most Trusted Grants Management Software Solution.Fluxx provides the only cloud-based grants management software solution that enables data-driven grantmaking so you can improve decisions and maximize your impact.More than 300 world-class foundations and government organizations use Fluxx, including 10 of the top 20 foundations, granting more than $13 billion annually and impacting more than 150,000 non-profits.