AngelList - Access top deals through investor-led syndicates
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
Investors Club - Profitable online businesses vetted & handed right to you
Kindful - Nonprofit donor database + fundraising tools all in one
Auction Harmony - Auction Harmony offers auction technology to help nonprofits reach their fundraising goals.
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps