As of 2012, there were over 450 crowdfunding platforms - triplepundit.com 
Project creators need to exercise their own due diligence in order to understand which platform is the best to use depending on the type of project that they want to launch. - wikipedia
There are fundamental differences in the services provided by many crowdfunding platforms.
For instance, CrowdCube and Seedrs are internet platforms which enable small companies to issue shares over the internet and receive small investments from registered users in return.
While CrowdCube is meant for users to invest small amounts and acquire shares directly in start-up companies, Seedrs on the other hand pools the funds to invest in new businesses, as a nominated agent - cfo-insight.com
Curated crowdfunding platforms serve as "network orchestrators" by curating the offerings that are allowed on the platform. They create the necessary organizational systems and conditions for resource integration among other players to take place.<ref name="unibocconi"/>
Relational mediators act as an intermediary between supply and demand. They ''replace'' traditional intermediaries (such as traditional record companies, venture capitalists). These platforms link new artists, designers, project initiators with committed supporters who believe in the persons behind the projects strongly enough to provide monetary support.
Growth engines focus on the strong inclusion of investors. They ''dis-intermediate'' by eliminating the activity of a service provider previously involved in the network. The platforms that use crowdfunding to seek stakes from a community of high-net-worth private investors and match them directly with project initiators.