Technical details - Gaddnzwerch/solid GitHub Wiki
The backend is developed in python (3.4.2).
For the front-end the decision is open.
The database is PostrgeSQL.
As ORM SQLAlchemy is used.
The main language is english. All code, comments and front-end texts are written in english. For the front end, everything should be designed for i18n from the beginning.
As style-guide refer to Python.org.