This broker has been taken over by TD Ameritrade, but their legacy lives on in the platform they built that is still available from TD Ameritrade. And the founders have gone on to build the amazing Tasty Trade.
A big, well known and respected broker. Offering pretty much everything you would want as a trader. They provide desktop, web and mobile trading applications. And they have an impressive educational section on their website. Be sure to check out this broker.
This broker specializes in options and has very good accommodations for option traders. Operating since 2005, they may be a young broker, but they have already earned a lot of recommendations from industry rankings over the past few years.
This broker provides software and data feeds for all markets that they have on offer to trade. Their software applications support desktop, web and mobile. Especially the lite web app looks interesting. And developers have many options to integrate with them.
This broker located in central New Jersey has been operating since 2000. It offers trading tools in the form of data feeds and a web based quote stream. When you are a customer you also gain access to their education content.
This broker offers four different trading platforms, has several products and services that try to cater to every type of trader, and they provide research and education for all traders who are customers.