What are some alternatives?
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.
Sheep - Membership and events for SMEs and nonprofits
Crowd Supply - A Crowd-Funding Platform for Hardware.
Classy.org - Online and Mobile Fundraising Platform
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.
Galette - Galette is a membership management web application towards non profit organizations.