Next Sprocket is described as 'marketplace for open source tasks. As coders, we all need specific components of open source projects completed but may lack the time or expertise'. There are eight alternatives to Next Sprocket, not only websites but also apps for a variety of platforms, including iPhone, Java Mobile, Windows S and Android Tablet. The best alternative is Kickstarter. It's not free, so if you're looking for a free alternative, you could try BountySource or FOSS Factory. Other great sites and apps similar to Next Sprocket are Cofundos (Free), Go Get Funding (Free Personal), 40Billion (Paid) and MoneyRazor.com (Paid).
Kickstarter is an online threshold pledge system for funding creative projects. Kickstarter has funded a diverse array of endeavors, Ranging from indie film and music to journalism and food-related projects.
BountySource is a funding platform for open-source bugs and features. Anyone can can post a monetary bounty on an open source project's issues (currently only projects hosted on Github are supported), encouraging other developers to come and work on a solution.
40Billion.com is the social funding network for small business and startups. Raise money and crowdfunding for a business. Contribute or lend money to an entrepreneur you know. Find resources and customers to make your business successful.