MarketDelta

Quoting

Located in Chicago, MarketDelta� LLC is a leading provider of charting, trading, and financial data visualization software. The company began in 2003 at the Chicago Mercantile Exchange by traders who wanted greater transparency and better tools to trade by. Today the company has grown into a leader serving traders, proprietary trading groups, hedge funds, banks, and investors around the globe through our innovative suite of products.

Source: https://www.marketdelta.com/about-us

In late 2015 they introduced a cloud based trading platform (currently free):

Quoting

MarketDelta Cloud is a first of its kind SaaS (software-as-a-service) trading solution for futures traders. It offers a full trading and charting experience common in desktop software but with all the conveniences and access provided by a modern cloud based trading solution.

Source: https://cloud.marketdelta.com/