K2F is described as 'Yet another PHP framework? Yes, but with a twist. This framework doesn’t focus on a specific methodology or paradigm (eg: MVC), but on getting things done quickly and the way you want' and is an app in the Development category. There are more than 25 alternatives to K2F for a variety of platforms, including Linux, Mac, Windows, Online / Web-based and Self-Hosted solutions. The best alternative is Django, which is both free and Open Source. Other great apps like K2F are Laravel (Free, Open Source), Ruby on Rails (Free, Open Source), Symfony (Free, Open Source) and CodeIgniter (Free, Open Source).
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel.
Enterprises choose Pimcore because it seamlessly integrates 4 applications – Product Information Management (PIM), Digital Asset Management (DAM), Customer Experience Management (CMS/UX) and eCommerce.
Agile Toolkit is a PHP framework for developing Web User Interfaces. Inspired by desktop GUI it provides a full object-oriented foundation for Business and Presentation logic of your web software. Agile Toolkit is notable for it's simple of use and development efficiency.