The first and largest crowdfunding community for non-profits! Anyone may register to become funded, and anyone can make a donation to their project of interest. Besides helping with fundraising, GlobalGiving helps non-profits make the most out of that money. GlobalGiving break down how the use donations in the following way:

When a donor makes a $100 donation, $85 goes to the project(s) of his/her choosing, and $10 goes to fund the many programs and services we offer nonprofits. Then $3 goes to cover standard credit card or transaction fees, and the remaining $2 goes to administrative costs of running GlobalGiving
— GlobalGiving About Page

With a four-star rating on Charity Navigator, GlobalGiving is definitely worth considering to fund your next initiative.

More on the history of GlobalGiving: