QuestDB

QuestDB is the open-source time-series database designed for demanding workloads—from trading floors to mission control. It delivers ultra-low latency, high ingestion throughput, and a multi-tier storage engine, with native Parquet and SQL support to keep data portable and AI-ready—no vendor lock-in. It also offers Postgres protocol compatibility and an architecture optimized for scale, streaming materialized views, and advanced time-series analytics.

• Ultra-low latency and SIMD-accelerated SQL queries
• Multi-threaded engine and high ingestion throughput (millions of rows per second)
• Parquet + SQL open formats; Postgres protocol compatible; Apache 2.0 open source
• Petabyte-scale tiered storage; multi-AZ resilience; instant scale-out
• Streaming Materialized Views, ASOF JOIN, and time-based analytics
• N-Dimensional arrays for complex market data structures
• REST API access and AI-ready SQL integration; open ecosystem with Parquet/Arrow/Iceberg support
• BYOC/cloud/on-prem deployment options; enterprise-ready features in QuestDB Enterprise

• Open standards with Parquet/SQL and Postgres protocol support provide vendor lock-in-free data access
• High-performance time-series capabilities ideal for capital markets, IoT, and telemetry workloads
• Cloud-native deployment options (including BYOC) and multi-region resilience
• Strong open-source foundation with enterprise options and expert support from QuestDB creators

• Open-source Community edition under Apache 2.0 license
• QuestDB Enterprise with premium features and support; pricing available on request