I worked for a cat shelter in Malaysia, besides local donations they got the majority of their funding through GoFundMe, paired with updates and campaigning on

I worked for a cat shelter in Malaysia, besides local donations they got the majority of their funding through GoFundMe, paired with updates and campaigning on Facebook etc. Personal contacts and trust played a big role in this, the manager was an American expat and hosted a bunch of volunteers every month (that's how I got in there) to gain some exposure.