Siberian CMS is an open-source and free app builder, allowing you to create a mobile app without technical knowlegde.
Siberian CMS is an app builder, meaning that you can create a mobile app without coding. You just have to download it and install it on a web server, and then you can create your app. There are only 3 steps, choose a template and customize it, add features and pages to your app, publish it to the stores. You can find more features in the marketplace. If you are a developer you can create your own features by using the technical documentation. The CMS is based on Zend Framework, and uses PHP, Angularjs, HTML5 and CSS3.
Siberian offers all the simplicity of an online app builder, combined with the advantages of an open-source CMS: a quick deployment of mobile applications, while allowing customization and tailor-made developments.