1) Free and open source software provides benefits for teaching and learning such as being cost-efficient, scalable, portable, and encouraging cooperation in creating materials and designing learning processes.
2) However, most teachers do not use free software in classrooms as they lack time to learn it and focus on everyday teaching.
3) The biggest obstacle is getting accustomed to free software as an environment of participation and responsibility, which takes time. Students should be exposed to free software from an early age to grow up as digital citizens.