
JayDB
8.4#1 in document databasesFree planFree planAndroidiOSWebAPI
Visit

JayDB may suit developers building static or AI-built apps that need per-user, session, or tenant data, including shared documents across users or workers. It is a limited fit for applications that require relational features, full-text search, or multi-document atomic writes.
It suits teams running MongoDB who want a source-available, self-hosted option with database security, backup, and installation choices. Its end-of-life policy matters to teams relying on older versions.