1. 1998. Unreal Engine. https://www.unrealengine.com/en-US
2. 2000. FFmpeg. https://ffmpeg.org
3. 2005. Unity Technologies. https://unity.com
4. 2013. Google Glass. https://google.com/glass
5. 2014. Unreal Engine SoulCave. https://www.unrealengine.com/marketplace/en-US/product/soul-cave