CmisSync vs SoundEX

Synchronize documents between your computer and your enterprise file server (Alfresco, SharePoint, Documentum, any CMIS-compliant server)

It is like Dropbox for Enterprise Content Management!
For file sharing/synchronization, don't get a new server or rely on the cloud: just use your existing document management server.
Free and open source.

Trade music artist shares in a form of a stock exchange.

SoundEX allows you to trade music artists in a form of a stock exchange. Buy shares of popular music artists and based on their performance in real life, price of shares goes up or down and so does your profit or loss.

Location: London, United Kingdom