ProcessWire in an open source content management framework (CMF) and content management system (CMS). It was founded by Ryan Cramer in 2003. Developed as Dictator CMS (2003-2007) first, it was releazed under the name ProcessWire.
ProcessWire is suitable for developing and managing corporate, institutional and educational websites and web applications. So, the fixed idea of this platform is to simplify things, to look simple and to be used simply. ProcessWire is designed to have a Google-like straightforwardness, that is why it attracts many designers, developers and clients who are looking for simplicity without sacrificing uniqueness. It is easy to work with this system due to its simple updating, installation and usage process. A huge collection of modules is at your disposal. You can easily and effortlessly customize pages and templates.
If this platform suits you to a tee then you have an opportunity to migrate your current website to ProcessWire. The transfer will be very simple and quick if you use automated CMS2CMS service.