The store offers visitors instant access to free, paid and trial-version apps from various broker-dealers, trading firms, exchanges and software companies.

Developers are being encouraged to build applications for the vendor's open-architecture, broker-neutral trading platform, Catalyst, using the UNX software development (SDK) kit.

Customers can shop for tools such as algorithms, order routing and analytics from various brokerages and investment banks around the world or keep up with breaking stories with programming from Bloomberg Television.

Trading analytics from providers such as QSG and investment research and recommendations from the likes of Zacks are already available while users can also download UNX's own Catalyst EMS for trading and international order routing.

Thomas Kim, CEO, UNX, says: "UNX's model of an open marketplace nurtures and promotes technology innovation without the customary limitations. And our broker-neutral and open-source Marketplace truly facilitates best execution in that traders don't have to commit to a specific provider."