An in-process SQL OLAP database management system
DatabasesOpen Source
Best KeyDB Alternatives in 2026
12 top Databases tools you can use instead of KeyDB, with pricing and key features.
KeyDB
A Database Built for Scale
DatabasesOpen Source
- MVCC Non-Blocking Architecture
- Cross Region Multi-Master Support
- High Throughput & Multithreading
- TLS Encryption
KeyDB alternatives
Apache Kvrocks™
DatabasesOpen Source
- Namespace isolation with token-per-namespace
- Async binlog-based replication
- High Availability with Redis Sentinel
Self-hosted, distributed Durable Objects
DatabasesOpen SourceSelf-hosted
- Lease-based ownership
- Isolated tenancy
- Per-cell SQLite with LTX replication
The Open Source OLAP database management system
DatabasesFrom $25.30 / Per 1TB / moOpen Source
- Column-Oriented Storage
- Real-Time SQL Analytics
- Open-Source with Cloud-Friendly Deployment
The open source platform that powers search, observability, security, and more
DatabasesOpen Source
- Open Source Search Stack
- Search AI Platform
- Observability & Security Suite
A truly Open Source MongoDB alternative, built on Postgres
DatabasesOpen Source
- MongoDB Driver Compatibility
- PostgreSQL Backend
- Tool and UI Compatibility
Streaming SQLite Replication
Databases
- Real-time replication
- Backups to object storage
- Standalone process integration
The world's most popular open source database
DatabasesOpen Source
- HeatWave
- MySQL AI Integration
- Enterprise Edition
Neon Serverless Postgres
DatabasesFree plan available
PostgreSQL re-engineered for multi-tenant apps
DatabasesFree plan available
- Tenant-aware architecture
- Serverless compute & auto-scaling
- AI-native tooling & integrations
The database for developers
DatabasesFrom $5 / monthly
- Horizontal sharding (Vitess)
- NVMe-backed storage
- Postgres and Vitess options
The world's most advanced open source database
DatabasesOpen Source
- Reliability & durability
- Performance & scalability
- Extensibility & modern features
Frequently Asked Questions
What is KeyDB?
KeyDB is a Databases tool: A Database Built for Scale. It is open source. Key features include MVCC Non-Blocking Architecture, Cross Region Multi-Master Support, High Throughput & Multithreading and TLS Encryption.
Is there another open-source alternative to KeyDB?
Yes. KeyDB is open source, and so are DuckDB, Apache Kvrocks, Celld, Clickhouse, Elastic and 3 others.
Which KeyDB alternatives are paid-only?
Clickhouse: From $25.30 / Per 1TB / mo. PlanetScale: From $5 / monthly.
Which KeyDB alternative can I self-host?
Celld can be self-hosted.