Realtime cloud-hosted NoSQL database. Store and sync data in real-time.
Pros
- Integrated with other Firebase services
- Realtime sync across devices
Cons
- Complex queries can be limited
- Vendor lock-in potential
Free tier available, pricing varies
Best GUN Alternatives ranked by AI · updated May 2025
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GUN is a real-time, decentralized, offline-first, graph database engine.
Price: Free and open-source
🎯 gun.eco
Top 6 GUN alternatives
Neo4j is a highly scalable native graph database that leverages data relationships as first-class entities, making it ideal for connected data applications.
Free community edition available, pricing for enterprise edition varies
Couchbase is a NoSQL database that provides a distributed architecture with high performance, scalability, and availability.
Contact for pricing
MongoDB is a leading NoSQL database program, known for its flexibility and scalability.
Free / Paid
Apache CouchDB is an open-source database software that focuses on ease of use and replication. It allows for seamless multi-master syncing and...
RxDB is a realtime database for JavaScript applications. It is designed to handle complex data structures, synchronization, and offline-first capabilities.
Free and open-source
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