Best RethinkDB alternatives in 2026
6 direct alternatives to RethinkDB, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Curated by Louis Corneloup · Updated Cite this list: Toolradar, best RethinkDB alternatives 2026, toolradar.com/alternatives/rethinkdb
Why people consider alternatives to RethinkDB
RethinkDB stores data with real-time push. Database that pushes changes to applications-reactive data without polling. The real-time is native. The queries are expressive.
Teams most often switch away when one of these starts to bite:
- •A feature or quota ceiling that a paid specialist covers and this free tool does not.
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in data & databases.
The 6 alternatives below cover the same core job (data & databases) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review.
6 alternatives to RethinkDB
Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace RethinkDB.
- 1
PostgreSQL
FreeHigher rated by usersAdvanced open source SQL database
Direct alternative4.5(1,094)as of Sep 2026Compare RethinkDB vs PostgreSQL → - 2
Supabase
FreemiumHigher rated by usersOpen source Firebase alternative
Direct alternative4.6(233)as of Sep 2026Compare RethinkDB vs Supabase → - 3
Redis
FreemiumHigher rated by usersManaged in-memory database for real-time data across clouds
Direct alternative4.5(136)as of Sep 2026Compare RethinkDB vs Redis → - 4
Amazon DynamoDB
PaidServerless NoSQL database with single-digit millisecond latency
Direct alternative2.9(951)as of Sep 2026Compare RethinkDB vs Amazon DynamoDB → - 5
CockroachDB
FreemiumDistributed SQL database built for cloud
Direct alternative4.3(29)as of Aug 2026Compare RethinkDB vs CockroachDB → - 6
Firebase Firestore
FreemiumFlexible, scalable NoSQL cloud database
Direct alternative3.6(19)as of Sep 2026Compare RethinkDB vs Firebase Firestore →
Frequently asked questions
What is the best alternative to RethinkDB?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to RethinkDB are PostgreSQL, Supabase, Redis. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to RethinkDB?
RethinkDB is already 100% free (no paid upgrade path). PostgreSQL is another fully free option listed here (Advanced open source SQL database). Freemium tools on this list have a free tier plus paid plans — they are not the same as 100% free.
Why do people look for RethinkDB alternatives?
Common reasons teams switch away from RethinkDB even though it is free: missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in data & databases. The alternatives on this page solve the same core problem with a different feature set.
Side-by-side comparisons
In-depth comparison pages for RethinkDB versus each alternative.
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