Hololink is described as 'Scalable & Cost-effective Augmented Reality builder made for designers
Design interactive AR experiences fast and easy, using a familiar interface, that lets you focus on creativity.
Publish fast loading AR experiences that can be accessed by any smartphone via a web link or' and is an website. There are four alternatives to Hololink, not only websites but also apps for a variety of platforms, including Android, iPhone, Android Tablet and iPad apps. The best Hololink alternative is UniteAR. It's not free, so if you're looking for a free alternative, you could try Tilt Brush Toolkit. Other great sites and apps similar to Hololink are Byond Immersive Suite and WakingApp AR Studio.