QuestDB
High-performance time series database
Nicolas Hourcard, Tancrede Collard +1 · 3 co-founders
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/11/2026
About
QuestDB is a high-performance open source database for the most demanding workloads. Native support for Parquet, Iceberg and SQL keeps your data portable, AI-ready, without vendor lock-in. QuestDB is designed from the ground up to operate as close to the hardware as possible - eliminating ingestion bottlenecks and lowering overall hardware requirements. QuestDB powers mission-critical infrastructure for companies in Capital Markets, Crypto, Space Exploration, Energy and Robotics/Physical AI.