We're sorry to say that seyhan stopped due to insufficient time and support.

• Open sourced
• Multi tenant
• has multi-user support
• has multi-language support (Turkish and English are supported for now)
• operating system independent (linux, windows, mac)
• database independent (h2, mysql, postgresql, ms-sqlserver)
• browser independent (firefox, ie, chrome, safari)
• can work on both local computers and remote servers

• Contact (sellers, customers and employers)
• Stock
• Order
• Waybill
• Invoice
• Cheque
• Bills
• Cash
• Bank
• Selling
• General
• Admin

You may visit the following sites to get more information about the project

• Main page : http://www.seyhanproject.com (in Turkish, can be changed into English if any request)
• Discussion forums : [seyhanp] (https://groups.google.com/forum/#!forum/seyhanp)
• The blog : http://blog.seyhanproject.com
• The documents : http://www.seyhanproject.com/docs (in Turkish, can be changed into English if any request)
• The setup instructions for the last users : http://www.seyhanproject.com/docs/#/others/install
• The setup instructions for developers and designers : http://www.seyhanproject.com/docs/#/devzone/install

Even though seyhan has Turkish documentations (because it was firstly designed for the market of Turkey), we can prepare and provide all the documents in English if any request or you can edit them directly by using git.