YC Databases

25 companies · 16 active · 44% AI · most in S23 (4)

LimnionTelemetry storage for the agentic era.YC F26SeattleStartup →AI

ObsessionDBReal-time data warehouse for agentsYC F26San FranciscoStartup →AI

Hebbian RoboticsFoundational infrastructure for Physical AIYC S26San FranciscoStartup →AI

s2.devAPI for unlimited, durable, real-time streamsYC F25San FranciscoStartup →AI

HelixDBThe fastest & most scalable graph-vector database on the marketYC X25LondonStartup →Data

PgDogScaling engine for PostgreSQLYC X25San FranciscoStartup →AI

PraximThe agentic AI Word editorYC W25San FranciscoStartup →Data

ReJotWe turn complex API integrations into drop‑in full‑stack librariesYC W25AmsterdamStartup →AIInactive

LanternPostgres vector database extension to build AI applicationsYC W24San FranciscoStartup →AI

Trellis AIAccelerate Medication Access with AIYC W24San FranciscoStartup →AI

UbicloudOpen source alternative to AWSYC W24San FranciscoStartup →Data

DataShareEmbed charts, dashboards and exports in your appYC S23AustinStartup →AIAcquired

Deasy LabsMetadata for GenAI workflowsYC S23New York CityStartup →Data

ParadeDBYou should just use Postgres.YC S23San FranciscoStartup →DataAcquired

PeerDBFast, native ETL for Postgres 🐘 🚀YC S23Startup →AI

BlitzLovable for non-tech users: Build no-code internal and customer appsYC S22San FranciscoStartup →DataAcquired

JumpWireDynamic access controls for all data and databasesYC W22New York CityStartup →DataInactive

Scratch DataAnalytics for builders. Record and query billions of datapoints with…YC S21New York CityStartup →DataInactive

TriplitThe best database for app developersYC W21RemoteStartup →DataAcquired

KeyDBThe only database you'll ever needYC S20TorontoStartup →Data

SupabaseBuild in a weekend. Scale to millions.YC S20San FranciscoStartup →Data

InfluxDataThe platform for building and operating time series applications.YC W13New York CityStartup →DataAcquired

Citus DataReal-time. Big data. PostgreSQLYC S11San FranciscoStartup →DataAcquired

ComposeWe make it easy to run databases. PostgreSQL, Redis, MongoDB,…YC S11San FranciscoStartup →Data

MixpanelMixpanel is event analytics for builders that need answers.YC S09San FranciscoStartup →

Company	Category	Status	Program
LimnionTelemetry storage for the agentic era.team of 3YC F26ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCF26
ObsessionDBReal-time data warehouse for agentsteam of 5YC F26ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCF26
Hebbian RoboticsFoundational infrastructure for Physical AIteam of 2YC S26ActiveAI, Data	AI, Data	Active	YCS26
s2.devAPI for unlimited, durable, real-time streamsteam of 5YC F25ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCF25
HelixDBThe fastest & most scalable graph-vector database on the marketteam of 6YC X25ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCX25
PgDogScaling engine for PostgreSQLteam of 3hiringYC X25ActiveData, Devtools	Data, Devtools	Active	YCX25
PraximThe agentic AI Word editorteam of 2YC W25ActiveAI, Data	AI, Data	Active	YCW25
ReJotWe turn complex API integrations into drop‑in full‑stack librariesteam of 2YC W25ActiveData, Devtools	Data, Devtools	Active	YCW25
LanternPostgres vector database extension to build AI applicationsteam of 3YC W24InactiveAI, Data, Devtools	AI, Data, Devtools	Inactive	YCW24
Trellis AIAccelerate Medication Access with AIteam of 55hiringYC W24ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCW24
UbicloudOpen source alternative to AWSteam of 15hiringYC W24ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCW24
DataShareEmbed charts, dashboards and exports in your appYC S23ActiveData, Devtools	Data, Devtools	Active	YCS23
Deasy LabsMetadata for GenAI workflowsteam of 8acquiredYC S23AcquiredAI, Data	AI, Data	Acquired	YCS23
ParadeDBYou should just use Postgres.team of 11hiringYC S23ActiveData, Devtools	Data, Devtools	Active	YCS23
PeerDBFast, native ETL for Postgres 🐘 🚀acquiredteam of 2YC S23AcquiredData, Devtools	Data, Devtools	Acquired	YCS23
BlitzLovable for non-tech users: Build no-code internal and customer appsteam of 4YC S22ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCS22
JumpWireDynamic access controls for all data and databasesacquiredteam of 2YC W22AcquiredData	Data	Acquired	YCW22
Scratch DataAnalytics for builders. Record and query billions of datapoints with…YC S21InactiveData, Devtools	Data, Devtools	Inactive	YCS21
TriplitThe best database for app developersteam of 3YC W21InactiveData, Devtools	Data, Devtools	Inactive	YCW21
KeyDBThe only database you'll ever needacquiredteam of 2YC S20AcquiredData, Devtools	Data, Devtools	Acquired	YCS20
SupabaseBuild in a weekend. Scale to millions.110.8k starsteam of 120YC S20ActiveData, Devtools	Data, Devtools	Active	YCS20
InfluxDataThe platform for building and operating time series applications.team of 210hiringYC W13ActiveData, Devtools	Data, Devtools	Active	YCW13
Citus DataReal-time. Big data. PostgreSQLteam of 45acquired by MicrosoftYC S11AcquiredData, Devtools	Data, Devtools	Acquired	YCS11
ComposeWe make it easy to run databases. PostgreSQL, Redis, MongoDB,…team of 51acquiredYC S11AcquiredData, Devtools	Data, Devtools	Acquired	YCS11
MixpanelMixpanel is event analytics for builders that need answers.team of 410YC top companyYC S09ActiveData, Devtools	Data, Devtools	Active	YCS09

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