| What it does | Backend database sync engine for real-time, fast, consistent, network-resilient applications
| Open-source database for AI agents with self-describing schema
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| Stage | Established
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| Founded | 2022
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| Based in | US
| AM
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: $0/month with up to 2 GB data synced/month, 500 MB hosted data, 50 peak concurrent clients. Pro plan: from $49/month with 30 GB data synced/month included, 10 GB hosted data, 1,000 peak concurrent clients. Team plan: from $599/month with additional features like uptime guarantee and SOC 2
| Free plan: 1 GB storage, 3 projects, 1 seat, 200 Smart Searches/month, 1M embedding tokens/month. Pro: $49/month, 20 GB storage then $0.50/GB-month, 10 projects then $3/month each, 3 seats then $15/month each, 2,000 Smart Searches/month then $5 per 1K, 25M embedding tokens/month then $0.20 per 1M. T
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| Key features | - Real-time streaming sync
- Partial syncing with Sync Streams
- Bi-directional synchronization
- JWT-based authentication
- Consistency guarantees
- Conflict resolution
- Horizontal scalability
| - Schema catalog automatically updated on every write with exact field names, types, values and relationship shapes
- Nested JSON documents converted to linked records in a single commit
- Multiple query languages: SQL, openCypher, Gremlin, ISO GQL, Mongo-style and native SearchQuery on same data
- Hybrid search combining vector (exact and HNSW) and BM25 full-text indexes in one query
- PostgreSQL and Neo4j protocol compatibility via wire protocols
- MVCC snapshot isolation for concurrent reads and writes
- Atomic transactions with write-ahead log durability
- Single Rust binary deployment with no additional services required
- RushDB Cloud managed service with embeddings and MCP hosting
- TypeScript and Python SDKs plus gRPC and HTTP APIs
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| What makes it different | - Works with existing backend databases (Postgres, MongoDB, MySQL, SQL Server, Azure DocumentDB) - no need to adopt a new database
- Reduces code complexity by eliminating custom sync, cache invalidation, and optimistic update logic
- Battle-hardened by years of production use in demanding environments with Fortune 500 customers
- Open-source architecture with self-hosting option
- Cross-platform support (web, mobile, desktop, embedded, agents)
| - Agents see exact schema before querying, eliminating guesswork about field names and types
- Smaller AI models achieve higher accuracy when querying with schema awareness
- Filtered schema queries return accurate facet counts and field values matching query results
- One database handles records, relationships, vectors and full-text indexes without sync overhead
- Free open-source engine and managed cloud option with same underlying technology
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 66 ● no change since last check | 10 ● no change since last check |
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| Trust Flow (Majestic) | 13 | 4 |
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| Citation Flow (Majestic) | 39 | 23 |
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| Referring domains (Majestic) | 549 | 66 |
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PowerSync
RushDB