Best Amazon Keyspaces Alternatives in 2026
The top Amazon Keyspaces alternatives are Apache Cassandra, Google Cloud Bigtable and Azure Cosmos DB for Apache Cassandra: 15 Wide-Column databases our editors would look at instead of Amazon Keyspaces, in our ranking order.
Amazon Keyspaces: A managed CQL-compatible database for serverless Cassandra workloads on AWS. Where it falls short: usage-based pricing varies by AWS region and traffic.
Switching from Amazon Keyspaces? For most wide-column databases buyers the best Amazon Keyspaces alternative is Apache Cassandra, built for mature self-hosted Cassandra-compatible deployments. On a budget, DataStax Astra DB starts at $83.30/mo. HPE Ezmeral Data Fabric offers the most maximum row size (32 MB).
Why People Look for an Amazon Keyspaces Alternative
- Usage-based pricing varies by AWS Region and traffic
- Provisioned capacity requires read and write capacity planning
- The service is designed for workloads running in AWS
- No free plan — 4 of the alternatives below have it
- Maximum row size: 1 MB — up to 32 MB with HPE Ezmeral Data Fabric
Quick Picks by What You Need
- Best overallApache Cassandra9.3
Mature self-hosted Cassandra-compatible deployments
Visit Apache Cassandra - Lowest priceDataStax Astra DB8.5
Paid plans from $83.30/mo
Visit DataStax Astra DB - Best free optionApache Cassandra9.3
Has a free plan (Amazon Keyspaces has none)
Visit Apache Cassandra - Most maximum row sizeHPE Ezmeral Data Fabric8.0
32 MB
Visit HPE Ezmeral Data Fabric
All 15 Amazon Keyspaces Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forMature self-hosted Cassandra-compatible deployments
- Better than Amazon Keyspaces:
- Editor score 9.3 vs 8.3
A mature self-hosted Cassandra-compatible database for distributed, high-volume workloads.
- Multi-region support
- Transaction support
- Horizontal scaling
9.3/10★★★★★Try Apache Cassandra -
Best forManaged wide-column workloads with rich cloud integrations
- Better than Amazon Keyspaces:
- Editor score 9.1 vs 8.3
A scalable managed database for wide-column workloads with deep Google Cloud integration.
9.1/10★★★★★Visit Google Cloud -
Best forCassandra workloads needing managed global distribution
- Better than Amazon Keyspaces:
- Free plan
- Maximum row size: 2 MB vs 1 MB
- Editor score 9.0 vs 8.3
A managed Cassandra option for globally distributed workloads with CQL compatibility.
- Multi-region support
- Transaction support
- Horizontal scaling
9.0/10★★★★☆Visit site -
Best forFeature-rich managed wide-table deployments
- Better than Amazon Keyspaces:
- Editor score 8.9 vs 8.3
A flexible managed wide-table service for enterprise-scale, multi-interface deployments.
- Multi-region support
- Horizontal scaling
8.9/10★★★★☆Visit Alibaba Cloud -
Best forManaged wide-column data with transactions
- Better than Amazon Keyspaces:
- Editor score 8.8 vs 8.3
A managed wide-column database for transactional, multi-region workloads.
- Multi-region support
- Transaction support
- Horizontal scaling
8.8/10★★★★☆Visit Alibaba Cloud -
Best forFree self-hosted HBase-compatible infrastructure
- Better than Amazon Keyspaces:
- Free plan
- Editor score 8.7 vs 8.3
A strong fit for teams running open-source HBase-compatible infrastructure on Linux.
- Multi-region support
- Horizontal scaling
8.7/10★★★★☆Visit Apache HBase -
Best forEnterprise HBase with SQL and governance
- Better than Amazon Keyspaces:
- Editor score 8.6 vs 8.3
A governed HBase service with SQL, search, scaling, and hybrid-cloud deployment.
- Multi-region support
- Transaction support
- Horizontal scaling
8.6/10★★★★☆Visit Cloudera -
Best forManaged Cassandra with vector and hybrid search
- Better than Amazon Keyspaces:
- Free plan
- Editor score 8.5 vs 8.3
Managed Cassandra for distributed apps, with vector and hybrid search.
- Multi-region support
- Transaction support
- Horizontal scaling
8.5/10★★★★☆Visit Astra DB -
Best forManaged Cassandra across cloud and on-premises
- Better than Amazon Keyspaces:
- Editor score 8.4 vs 8.3
A managed Cassandra service with multi-data-center control, automation, backups, and support.
- Transaction support
- Horizontal scaling
Pricing on request · 30-day trial Our NetApp Instaclustr for Apache Cassandra verdict → Visit Instaclustr8.4/10★★★★☆Visit Instaclustr -
Best forManaged Cassandra with hybrid connectivity
A managed Cassandra service for Azure deployments that need hybrid connectivity and control.
- Multi-region support
- Horizontal scaling
8.2/10★★★★☆Visit site -
Best forSecure self-hosted distributed key-value storage
A focused open-source choice for secure, self-hosted distributed storage.
8.1/10★★★★☆Try Apache Accumulo -
Best forEnterprise hybrid deployments needing strong consistency
- Better than Amazon Keyspaces:
- Maximum row size: 32 MB vs 1 MB
A broad, strongly consistent data platform for teams spanning cloud and on-premises environments.
- Multi-region support
- Transaction support
- Horizontal scaling
8.0/10★★★★☆Visit HPE -
Best forFree self-hosted systems needing strong consistency
- Better than Amazon Keyspaces:
- Free plan
A self-hosted wide-column database with strong consistency, sharding, and multiple APIs.
- Transaction support
- Horizontal scaling
7.9/10★★★★☆Visit Baidu Tera -
Best forManaged Huawei Cloud Cassandra deployments
A managed Cassandra service with scaling, recovery, and multi-region availability.
- Multi-region support
- Horizontal scaling
7.8/10★★★★☆Visit Huawei Cloud -
Best forManaged HBase workloads on Huawei Cloud
A managed HBase-compatible service for scalable, highly available Huawei Cloud workloads.
- Horizontal scaling
7.7/10★★★★☆Visit Huawei Cloud
Amazon Keyspaces Alternatives: Common Questions
What is the best alternative to Amazon Keyspaces?
Apache Cassandra: #1 in our Wide-Column Databases ranking, with an editor score of 9.3 out of 10. A mature self-hosted Cassandra-compatible database for distributed, high-volume workloads.
Is there a free alternative to Amazon Keyspaces?
Yes. Apache Cassandra, Azure Cosmos DB for Apache Cassandra, Apache HBase, DataStax Astra DB and Apache Accumulo have a free plan or a free tier (6 of the 15 alternatives on this page).
Why do people look for Amazon Keyspaces alternatives?
Usage-based pricing varies by AWS Region and traffic; Provisioned capacity requires read and write capacity planning; The service is designed for workloads running in AWS.
Which Amazon Keyspaces alternative has the most maximum row size?
HPE Ezmeral Data Fabric, with 32 MB.
How do I switch from Amazon Keyspaces?
Export your data from Amazon Keyspaces (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Amazon Keyspaces.
How to Switch from Amazon Keyspaces
- Export your data from Amazon Keyspaces (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Amazon Keyspaces.
Amazon Keyspaces vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment model | Query interface | Consistency controls | Multi-region support | Horizontal scaling | Score |
|---|---|---|---|---|---|---|---|---|---|
| 10 | Amazon Keyspaces | No | Managed | Cql | Tunable | Yes | Yes | 8.3 | |
| 1 | Apache Cassandra | Free | Self_hosted | Cql | Tunable | Yes | Yes | 9.3 | |
| 2 | Google Cloud Bigtable | No | $0.65/device usage-based | 9.1 | |||||
| 3 | Azure Cosmos DB for Apache Cassandra | Yes | Managed | Cql | Configurable | Yes | Yes | 9.0 | |
| 4 | Alibaba Cloud Lindorm | Managed | Multiple | Configurable | Yes | Yes | 8.9 | ||
| 5 | Alibaba Cloud Tablestore | Managed | Multiple | Configurable | Yes | Yes | 8.8 | ||
| 6 | Apache HBase | Yes | Free | Self_hosted | Multiple | Configurable | Yes | Yes | 8.7 |
| 7 | Cloudera Operational Database | No | $0.08/unit usage-based | Both | Multiple | Configurable | Yes | Yes | 8.6 |
| 8 | DataStax Astra DB | Yes | $83.30/mo | Managed | Multiple | Configurable | Yes | Yes | 8.5 |
| 9 | NetApp Instaclustr for Apache Cassandra | Both | Cql | Configurable | Yes | 8.4 | |||
| 10 | Azure Managed Instance for Apache Cassandra | Managed | Cql | Tunable | Yes | Yes | 8.2 | ||
| 11 | Apache Accumulo | Free | Self_hosted | 8.1 | |||||
| 12 | HPE Ezmeral Data Fabric | Both | Multiple | Strong | Yes | Yes | 8.0 | ||
| 13 | Baidu Tera | Yes | Free | Self_hosted | Multiple | Strong | Yes | 7.9 | |
| 14 | Huawei Cloud GeminiDB Cassandra API | No | Managed | Cql | Tunable | Yes | Yes | 7.8 | |
| 15 | GeminiDB HBase API | No | Managed | Multiple | Strong | Yes | 7.7 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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