Information and Communication Technology (ICT) has provided the better learning opportunities to the present teachers and learners across the world. In the era of internet, many educational resources are free and lot of free softwares are also available. In our country the basic operating system used in educational institutions are proprietary in nature and we all are dependent to that. But in past few years the Free and Open Source Software (FOSS) movement has broken the outlook of using the paid softwares. In the generation of online learning, where Massive Open Online Courses (MOOCs) are being used by educators for transacting the curriculum based material, we need to use the available FOSS also. The Indian Government is also encouraging the usage of GNU/Linux in all the institutions. Still there are lots of barriers which are making teachers and students reluctant towards the usage of FOSS in education. So in this research paper, the authors have attempted to conduct a small scale research to find out the awareness of FOSS among school teachers along with their usage and barriers. An attempt has also been done to suggest some FOSS, which could be useful for teachers while transacting the curriculum.