Apache Cassandra alternatives: 6 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave Apache Cassandra: no joins; tables must be designed around specific queries, and running and repairing a cluster needs dedicated operations skill. We ranked 6 alternatives by how directly each one replaces Apache Cassandra, then by reviews, real visits and how recently each app's facts were checked against its own website. ScyllaDB currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	ScyllaDB	Free plan + paid	No	Web, Linux, Self-hosted	5 of 5	66.5

1. ScyllaDBTop pick
Best for: Teams running Cassandra or DynamoDB workloads who want lower latency and fewer servers
Free plan + paidSelf-hostableWeb, Linux, Self-hosted
66.5
score / 100
Why switch from Apache Cassandra
Speaks the same CQL protocol and drivers, so Cassandra apps can move over with little code change and fewer nodes.
Pros
Drop-in CQL and DynamoDB API compatibility
Fewer nodes needed for the same load, per vendor benchmarks
Managed cloud option on AWS and Google Cloud
Free self-managed tier for smaller clusters
Cons
Source-available licence, no longer open source
Free self-managed use is capped by storage and vCPUs
Same query-first data modelling limits as Cassandra
Visit ScyllaDB Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is ScyllaDB a good Apache Cassandra alternative?
Verified facts
5 of 5 verified
API compatibility
Cassandra CQL and DynamoDB
Checked Oct 30, 2026scylladb.com(opens source in a new tab)
License
Source available
Checked Oct 30, 2026scylladb.com(opens source in a new tab)
Free self-managed tier
Up to 10 TB and 50 vCPUs
Checked Oct 30, 2026scylladb.com(opens source in a new tab)
Free trial
30 days (Developer trial)
Checked Oct 30, 2026scylladb.com(opens source in a new tab)
Managed cloud
AWS and Google Cloud
Checked Oct 30, 2026scylladb.com(opens source in a new tab)

The best Apache Cassandra alternative for…

The highest-ranked app in this list for each need.

Best Apache Cassandra alternative for most people

ScyllaDB

Speaks the same CQL protocol and drivers, so Cassandra apps can move over with little code change and fewer nodes.

Best Apache Cassandra alternative for a free plan you can upgrade

Amazon DynamoDB

Fully managed wide-column style store on AWS, so there are no clusters, repairs or compaction to run yourself.

Best Apache Cassandra alternative for self-hosting

CockroachDB

Distributed SQL with multi-region replication, for teams that want Cassandra-like resilience plus joins and transactions.

Best Apache Cassandra alternative for Linux

ScyllaDB

Speaks the same CQL protocol and drivers, so Cassandra apps can move over with little code change and fewer nodes.

Best Apache Cassandra alternative for working in the browser

Azure Cosmos DB

Managed multi-region database on Azure that offers a Cassandra-compatible API alongside other data models.

Apache Cassandra alternatives: common questions

What is the best alternative to Apache Cassandra?

ScyllaDB ranks first right now. Speaks the same CQL protocol and drivers, so Cassandra apps can move over with little code change and fewer nodes. Amazon DynamoDB and Azure Cosmos DB follow it in our ranking.

Is there a free alternative to Apache Cassandra?

Yes. ScyllaDB (free plan + paid), Amazon DynamoDB (free plan + paid), Azure Cosmos DB (free plan + paid) and MongoDB Atlas (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Apache Cassandra?

None of the 6 alternatives in this list is open source.

Which Apache Cassandra alternatives work on Linux?

ScyllaDB runs on Linux.

Why do people switch from Apache Cassandra?

The complaints we hear most: no joins; tables must be designed around specific queries; running and repairing a cluster needs dedicated operations skill; overkill for small apps that fit in one relational database.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Apache Cassandra, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.