Boston investors want your business and they are picky. Try for an introduction to investors. The best way is to attend their workshops or network at business plan competition meetups around Boston. Go check out Boston accelerator meetings. Apply somewhere. Co-ops are also building funding relationships.
Bolstr.com - small business funding
CrowdRise.com - cause-related funding
Fundable.com - Helps you get anyone to fund your business
Indiegogo - like Kickstarter but pays if you fall short
Microryza.com - for scientific projects
PeerBackers.com - friends, uncles, etc.
UpStart.com - for recent college grads
RocketHub.com - art gallery and show investors