Discover QuestDB, the best open source alternative to Kdb+ – QuestDB: high-performance, open-source time-series database.
QuestDB is the world's fastest growing open-source time-series database, designed to handle massive ingestion throughput and millisecond-level queries. It offers powerful time-series SQL extensions and scales seamlessly from minimal to maximal hardware configurations, making it an efficient and cost-effective solution for time-series data management.
SAMPLE BY
, LATEST ON
, and ASOF JOIN
make time-series data manipulation intuitive and efficient.QuestDB is built by developers for developers, providing a unique solution that combines extreme transaction per second (TPS) capabilities with a simplified SQL interface. Whether you're dealing with real-time market data or large-scale IoT applications, QuestDB offers unmatched performance and efficiency.