This theme (child of twentytwelve) is made by dev.xiligroup.com. It is a free running example, it requires xili-language plugin.
The german part of this site talks about this child theme and how to set and manage xili-language trilogy. The german speaking author is Joerg Knoerchen from www.sensorgrafie.de
The trilogy of xili-language plugins for WordPress is available for free under license GPL2 and can be downloaded from the WP Plugin repository (as zip archive, as source code on SVN), a Read Me documentation, a Forum and a Tracs-Log etc. is available for help.
As a results of more than 5 years (meaning thousand of hours) of hard working, researching and information gathering we are able and proud to offer one of the best available multi-language WP plugin solution available as from our point of view.
It has a collaborative approach containing contributions and feedback from users. Allowing continuously development and bugfixing with a lot of and improvements of the source code which remains open.
Some users and webmasters take an active part in the project by testing, translating or sharing their experiences (by writing posts containing how to’s, explaining features, and writing tutorials etc.)
This trilogy of plugins is a none commercial product and follows common rules for a free Project and is offered as is. According to this, our support in regards to this free plugin will be offered without any guarantee or fixed time lines and processed by our own priorities at our best efforts. For this reason moaners are not welcome.
After discovering the opportunities that the “XILI plugins” are offering and sharing our knowledge and expertise, some users asked us to provide, individual support and services as well as customized developments, especially in commercial and professional environments. Our consulting and individual development will be quoted on an hourly based rate and will be settled on an individual contract of work. Non profit organization are also invited to write testimonials and tutorials about the plugin.
Michel from dev.xiligroup.com