ApertusVR

ApertusVR is an embeddable, open-source (MIT), framework-independent, platform-independent, network-topology-independent, distributed, augmented reality/virtual reality/mixed reality engine initially released in November 2016, but only became stable in October 2019.

ApertusVR
Original author	SZTAKI
Developer	ApertusVR Authors
Initial release	November 2016
Stable release	0.9 / October 19, 2019
Written in	C++
Platform	Cross-platform
License	MIT License
Website	apertusvr.org

It is written in C++, with JavaScript and HTTP Rest API (in Node.js). ApertusVR creates a new abstraction layer over the hardware in order to integrate the virtual and augmented reality technologies into any developments or products.