The goal of F2 is to define a development standard for the financial services industry that offers a cost saving, risk-reducing method for building innovative, multi-provider solutions. F2 is open, free and active on GitHub.
To instantly F2-enable your solution, download and include F2.js on your web pages. It's only 7.6kb and works with jQuery, Angular, Dojo, ExtJS and other toolkits. You can use any backend you'd like; .NET, Java, Node.js, PHP and more are all supported.
The latest version of F2 is 1.4.2. Previous versions are available on GitHub.