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RethinkDB (YC S09) — The open source database for the realtime web

RethinkDB is the first open-source scalable database for the realtime web. It exposes an exciting new access model -- instead of polling for changes, the developer can tell the database to continuously push updated query results to applications in realtime.

RethinkDB is a Y Combinator company in the Summer 2009 batch. Its directory entry describes it as: The open source database for the realtime web. The founders listed are Michael Glukhovsky (Founder), Slava Akhmechet (Founder) (Y Combinator directory entry, January 17, 2012).

6 more companies from YC Summer 2009 ↓

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RethinkDB

New accelerator entry · 2012-01-17 · the record

Summer 2009
batch
11
people
Early
stage
United States of America
region
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What the record says

BatchSummer 2009
Announced2012-01-17
StageEarly
StatusAcquired
Team size11
IndustryB2B
Sub-industryB2B -> Infrastructure
SectorsOpen Source
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttp://rethinkdb.com

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Also in YC Summer 2009

Same batch, B2B first.

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In their words

RethinkDB is the first open-source scalable database for the realtime web. It exposes an exciting new access model -- instead of polling for changes, the developer can tell the database to continuously push updated query results to applications in realtime. RethinkDB allows developer to build scalable realtime apps in a fraction of the time with fewer engineering resources. RethinkDB features a pleasant and powerful query language that has useful queries like table joins and groupBy, a highly parallelized architecture, and web tools for managing clusters.

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  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

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RethinkDB: Accepted into Y Combinator Summer 2009
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Permanent URL: https://mentionfox.com/funding/yc-rethinkdb
Last updated 2026-10-27
Primary record: Y Combinator directory entry
RethinkDB (YC S09) — The open source database for the realtime web. MentionFox, 2026-10-27. https://mentionfox.com/funding/yc-rethinkdb