GUN[0] does realtime state synchronization, is offline-first, and is a graph database (key&#x2F;value, relational, document, etc). It does NOT have other features of Parse though, like a web client, built in permissions, etc.<p>[0] <a href="https:&#x2F;&#x2F;github.com&#x2F;amark&#x2F;gun" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;amark&#x2F;gun</a>