PouchDB
Database
Open source JavaScript database that syncs with CouchDB enabling offline-first web applications.
Free planDatabase ToolsReal-Time Data Sync
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RxDB
Database Tools
Reactive JavaScript database for offline-first applications with real-time replication and encryption.
Free planFree trialProgressive Web App ToolsReal-Time Data SyncPrice$99+ / month
Starting price: above the category median. - 3Database, Database Tools
WatermelonDB
Database
Reactive database framework for React Native and React web apps optimized for performance with lazy loading.
Offline first synchronizationAutomatic timestamp trackingJson field support - 4Database, Database Tools
Aerospike
Database
Real-time data platform providing a high-performance distributed database for mission-critical applications at scale.
Free planFree trialReal-Time AnalyticsDatabase Tools - 5Database
SlateDB
Database
Open-source transactional database built on object storage for cloud-native apps.
Transactional semantics with snapshot isolationObject storage persistence with zero disk architecture - 6Database, Database Tools
DataStax
Database
Enterprise data management platform built on Apache Cassandra providing a scalable and distributed database-as-a-service.
Free planFree trialUsage-basedDatabase ToolsServerless Database - 7Database, Database Tools
FoundationDB
Database
Apple open source distributed database designed for performance, scalability, and fault-tolerance with ACID transactions.
Free planDatabase ToolsDatabase & Backend Infrastructure - 8Database
OrientDB
Database
SAP-owned multi-model open-source NoSQL database with graph and document features.
Free planGraph AnalyticsDatabase as a Service - 9Database, Real-Time Data Sync
Feathers
Developer APIs
Open-source web framework for building real-time applications and REST APIs using JavaScript or TypeScript.
Free planServerless FrameworkReal-Time Data Sync - 10Database
Redb
Database
Open-source embedded key-value database for Rust built on copy-on-write B-trees.
Free planDatabase & Backend ServicesDatabase Management
