What are some alternatives?
EquityZen - Invest in Proven Tech Companies
Kickstarter - Kickstarter is the world's largest funding platform for creative projects. A home for film, music, art, theater, games, comics, design, photography, and more.
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Crowd Supply - A Crowd-Funding Platform for Hardware.
OurCrowd - A better way to invest in startups
Fundly - Raise Money For Anything