
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.
LCCurated by Louis Corneloup · UpdatedWhy 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:
- •Pricing at scale (rare for this tool, but feature limits push teams out)
- •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. No paid placement.
6 alternatives to RethinkDB
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to RethinkDB.
- 1

PostgreSQL
FreeHigher rated by usersAdvanced open source SQL database
Direct alternative4.5(1,082)Compare RethinkDB vs PostgreSQL → - 2

Firebase Firestore
FreemiumHigher rated by usersFlexible, scalable NoSQL cloud database
Direct alternative4.6(1,048)Compare RethinkDB vs Firebase Firestore → - 3

Amazon DynamoDB
PaidHigher rated by usersServerless NoSQL database with single-digit millisecond latency
Direct alternative4.4(545)Compare RethinkDB vs Amazon DynamoDB → - 4

Redis
FreemiumHigher rated by usersManaged in-memory database for real-time data across clouds
Direct alternative4.5(179)Compare RethinkDB vs Redis → - 5

CockroachDB
FreemiumHigher rated by usersDistributed SQL database built for cloud
Direct alternative4.3(29)Compare RethinkDB vs CockroachDB → - 6

Supabase
FreemiumHigher rated by usersOpen source Firebase alternative
Direct alternative4.7(33)Compare RethinkDB vs Supabase →
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, Firebase Firestore, Amazon DynamoDB. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to RethinkDB?
Yes. PostgreSQL is one of the free alternatives to RethinkDB listed here (Advanced open source SQL database). Other free options are flagged in the list below.
Why do people look for RethinkDB alternatives?
Common reasons teams switch away from RethinkDB: pricing that scales aggressively, 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 different trade-offs.
Side-by-side comparisons
In-depth comparison pages for RethinkDB versus each alternative.
Still considering RethinkDB?
See the full review, pricing breakdown, and community feedback before you decide.