Open source has come of age. Big companies and also states use it. It connects the power of communities and commercial world. We will acquaint you with the ideas and inspiration that allow realization of the vision of transparency and cost cutting in public administration. Research project "Open Source Infrastructure" (OSIN), executed in 2004, showed the potential of high savings in case of partial transition to OS in the course of next 8 years. How did Slovakia deal with its results, what are the strong and weak parts of the OS? We will show you particular suggestions of OS usage for the forthcoming period. The time is right to catch the train called "open technologies". Slovakia has strong open-source community and it should use its potential.