RabbitMQ - RabbitMQ is an open source message broker software.
Unity - The multiplatform game creation tools for everyone.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.