HighExistence is described as 'global community of freethinkers interested in spirituality, philosophy, zen, advaita vedanta, yoga, meditation, stoicism, karma yoga, psychedelics, astral projection, personal growth, mindfulness, law of attraction, chaos magick, the fourth way, non-duality' and is an website in the social & communications category. There are three alternatives to HighExistence, not only websites but also apps for Android and iPhone. The best alternative is Gaia. It's not free, so if you're looking for a free alternative, you could try Speaking Tree or Actualized.org.
Gaia offers the largest online resource of consciousness-expanding videos—over 8,000 informative and enlightening films, original shows, yoga and meditation classes, and more that you won’t find anywhere else.