QuestDB
High-performance time series database
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
Adjacent
Overlapping tags, a different niche.
HydraW22Serverless Analytics on PostgresShared: developer tools, analytics, open sourceAcquired
GraiS22Open source version control for metadataShared: developer tools, analytics, open sourceInactive
GrowthBookW22Open source feature flagging and A/B testingShared: developer tools, analytics, open sourceActive
ElementaryW22Open-source data observability for data teamsShared: developer tools, analytics, open sourceActive
LightdashS20The open source Looker alternativeShared: developer tools, analytics, open sourceActive
Also from S20 in AI
Batchmates in Summer 2020.
MitoS20Cursor for data analysisActive
ShuttleS20Build Backends. Fast.Inactive
Aquarium LearningS20We help ML teams improve their models by improving their datasetsAcquired
DatafoldS20Automating manual and repetitive data engineering tasks with AIActive
RoboflowS20🖼️ Give your software the sense of sight.Active
adynS20The first test designed to prevent birth control side effectsActive
About QuestDB
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.
London, England, United Kingdom
QuestDB: questions
Which YC batch was QuestDB in?
QuestDB was in Y Combinator's Summer 2020 batch (S20).
Is QuestDB still active?
Y Combinator lists QuestDB as active.
Where is QuestDB based?
QuestDB lists London, England, United Kingdom as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.