QuestDB

QuestDB is a high-performance, open-source SQL database for time-series data. It's designed for speed and efficiency, optimized for ingesting, processing, and analyzing time-stamped data at scale. QuestDB distinguishes itself with its vectorized execution engine, SIMD instructions, and various optimizations that significantly outperform traditional relational databases in time-series workloads. QuestDB is valuable for applications requiring real-time analytics, financial modeling, IoT sensor data processing, application performance monitoring (APM), and observability. Its SQL interface makes it easy to query and integrate with existing data pipelines and visualization tools, while its performance enables building low-latency applications and dashboards.