NB. This is not an endorsement of any of these agencies or websites. The fact I have their link them means I found out about them through a source I have some respect for. Remember that it's up to you if you're going to accept candy from strangers.
AuthorAID - www.authoraid.info - Courses, videos and articles about writing articles and grant applications. Targeted at researchers in developing countries.
Instrumentl - instrumentl.com - An agency that proposes to assist researchers with finding and preparing grant applications. Used to have a crowdfunding platform. They also post articles on their facebook page.
Crowdfunding sites - Wikipedia table of comparison
A couple more blurbs about crowdfunding science projects (web snapshots): Wired, Washington Post, Quora
I'm not that naïve to think that people wouldn't be using such services for commercial things, but seeing a destructive, ignorance-promoting-"outdoors"-show as the most funded thing in one of these sites which used to be more science-project oriented was disgusting. Hence, you go for a table of comparison and decide if there's one you'd be comfortable associating with.Glad I paid them a visit before posting the link. Yay!