SecondMarket - The Marketplace for Alternative Investments. Crowdfunding - Angel Investing Private Equity and Crowd funding by Microventures. Crowd Investing | Wefunder. Crowdfunding, UK fundraising platform for creative & social projects | Crowdfunder. Crowdtilt.com - Group Fund Anything | Crowdtilt.com. RocketHub. Business Crowdfunding, Social Network, Business Resources for Entrepreneurs | 40Billion.com.