Cassandravs
DynamoDB


DynamoDB: AWS-managed distributed NoSQL database with similar scale-out architecture and high write throughput, but as a proprietary cloud service.

Manage massive amounts of data with linear scalability
As of 30 August 2026, Cassandra is free to use. Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability. Softwr lists it under Databases. Cassandra is made by Apache Software Foundation, launched in 1999, available on Linux, macOS, Windows, Self-hosted.
Overview
Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability. It offers linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure, making it the perfect platform for mission-critical data.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Cassandra.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


DynamoDB: AWS-managed distributed NoSQL database with similar scale-out architecture and high write throughput, but as a proprietary cloud service.


CouchDB: Open source distributed database with peer-to-peer replication model and eventual consistency like Cassandra, supporting offline-first applications.


Elasticsearch: Distributed search and analytics engine built on peer-to-peer architecture for similar large-scale data workloads.


Couchbase: Distributed NoSQL database designed for high performance, supporting both document and key-value storage with multi-datacenter replication.


ClickHouse: Distributed columnar database optimized for analytical queries at scale with strong compression and performance.


Firebase Realtime Database: Google's managed cloud NoSQL database for real-time applications, offering simpler operational model but less flexibility than Cassandra.
Capabilities
Linear Scalability
Fault Tolerance
Multi-datacenter Replication
Tunable Consistency
CQL Query Language
Distributed Architecture
No Single Point of Failure
DataStax
Integration with DataStax
Apache Spark
Integration with Apache Spark
Apache Kafka
Integration with Apache Kafka
Presto
Integration with Presto
cqlsh
Integration with cqlsh
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
No. Cassandra does not support joins or foreign keys. The data model requires denormalization, meaning data must be duplicated across tables to support different query patterns.
SourceNo. Cassandra provides only row-level atomicity and isolation, not full ACID transactions across multiple rows or tables. It uses lightweight transactions via Paxos for per-row compare-and-set operations.
SourceCassandra supports official drivers for multiple languages including Python, Java, Node.js, and Go, allowing applications to communicate via the native Cassandra protocol.
SourceYes. Cassandra can run on any cloud platform (AWS, Google Cloud, Azure) via Docker, virtual machines, or managed services like DataStax Astra DB, which provides a fully managed DBaaS option.
SourceThe open source Apache Cassandra is free. DataStax also offers Astra DB with a free tier providing up to 25GB storage and 25 million read/write operations per month.
SourceBehind it
Timeline
Keep looking
The heart of the Elastic Stack for search and analytics
Store and sync data in real-time across all clients
Open source distributed SQL database for cloud native apps
AWS-only managed key-value and document database with fixed per-partition throughput limits and no ad hoc queries.
Fast open-source column-oriented database for real-time analytics
Apache 2.0 distributed graph database written in Go, maintained by Hypermode, queried through GraphQL or its own DQL language.
Cross-platform database IDE from JetBrains for SQL and NoSQL databases
Erlang MQTT broker for large IoT fleets, relicensed to BSL with production free use limited to one node
Document-relational database whose hosted service closed in 2025 and whose core is now unmaintained Apache 2.0 code.
Store and sync data in real-time across all clients
Softwr does not host reviews and shows no star rating for Cassandra, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
What people switch to, and what they give up
Every tier, and where the cost actually lands
Put it head to head with anything we hold
Its rating, and an embed for your own site
Industrial process historian with published per-tag pricing and no client licence fees
Per tag band per yearNetApp-owned managed service for Cassandra, Kafka, OpenSearch, PostgreSQL and Cadence with a bring-your-own-cloud model
quoteErlang MQTT broker for large IoT fleets, relicensed to BSL with production free use limited to one node
Per month by connection and session volumeAttribute-based access control and masking applied inside Snowflake, Databricks and BigQuery
quoteMPP analytical database with a MySQL wire protocol and sub-second aggregation on wide tables
Open source, no licence feeStreaming database that maintains incremental materialised views in SQL instead of Flink jobs
Per RisingWave Unit hourCentralised data access governance from the creators of Apache Ranger, now rebranding as Trust3 AI
quoteThe Meta-lineage distributed SQL query engine, distinct from the Trino fork
Open source, no licence fee