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Centrifugo vs RethinkDB
People
Price
Free
Free
Real-Time Data Sync
Annual estimate10 people, entry price
Free
Free
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Real-Time Data Sync
Overview
Focus
Real-Time Data Sync
Database
Product
Open source scalable real-time messaging server supporting WebSockets and SSE with built-in presence and history features.
Open source document database with built-in real-time change notifications making it easy to build reactive applications.
Headquarters
Remote
Remote
Company size
2-10 employees
2-10 employees
Founded
2013
2009
Pricing details
Published rate
Free
Free
Free options
Free plan
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026