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.
OurCrowd - A better way to invest in startups
Indiegogo - As the largest global site for fundraisers, Indiegogo helps individuals, groups and non-profits raise money online to make their ideas a reality through crowdfunding. It's easy to start fundraising today.
VALUER.ai - Valuer is a new and unique way to find the best startup with the newest innovation and technology within the IT and innovation sector.
SelfStarter - Roll your own crowdfunding