This download contains a number of examples of successful crowdfunding campaigns:
Hope Raisers Kenya started an awareness campaign through 'talking walls' for information and prevention during the COVID-19 epidemic. They piloted one of the murals and started a crowdfunding campaign to add two more in other communities. The platform they used for their fundraising campaign is MCHANGA. Have a look at how they did it:
And finally, here are two interesting examples from Brazil: