An in-process SQL OLAP database management system
DatabasesOpen Source
Best PostgreSQL Alternatives in 2026
12 top Databases tools you can use instead of PostgreSQL, with pricing and key features.
PostgreSQL
The world's most advanced open source database
DatabasesOpen Source
- Reliability & durability
- Performance & scalability
- Extensibility & modern features
- Security & authentication
PostgreSQL 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
A Database Built for Scale
DatabasesOpen Source
- MVCC Non-Blocking Architecture
- Cross Region Multi-Master Support
- High Throughput & Multithreading
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
Frequently Asked Questions
What is PostgreSQL?
PostgreSQL is a Databases tool: The world's most advanced open source database. It is open source. Key features include Reliability & durability, Performance & scalability, Extensibility & modern features and Security & authentication.
Is there another open-source alternative to PostgreSQL?
Yes. PostgreSQL is open source, and so are DuckDB, Apache Kvrocks, Celld, Clickhouse, Elastic and 3 others.
Which PostgreSQL alternatives are paid-only?
Clickhouse: From $25.30 / Per 1TB / mo. PlanetScale: From $5 / monthly.
Which PostgreSQL alternative can I self-host?
Celld can be self-hosted.