CLUSTER has organized Open Day in Khulna, a workshop on open source platform including Python Charming, User to Hacker and various lightning talks. It was held on 27 September, 2012 at Khulna University Auditorium and powered by Mozilla Bangladesh, Ankur ICT Development Foundation and Python. A large number of students from different disciplines of Khulna University and other universities, institutes and colleges of Khulna attended at the workshop. In the ceremony there was long presentation about open source projects and its possibilities from different angles. A workshop was also held on Python Programming Language. There was a quiz competition and a significant numbers of very attractive prizes were given to the winners. After the function, A Bengali Linux distro, guide book of Ankur were also presented.