Apache Cassandra is described as 'The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance' and is a relational database in the development category. There are more than 50 alternatives to Apache Cassandra for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and SaaS apps. The best Apache Cassandra alternative is PostgreSQL, which is both free and Open Source. Other great apps like Apache Cassandra are MySQL Community Edition, MariaDB, MongoDB and Redis.
PostgreSQL is a powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
MySQL Community Edition is a freely downloadable version of the world's most popular open source database that is supported by an active community of open source developers and enthusiasts.
Cassandra is a NoSQL database, this one is a SQL database.
MariaDB is a backward compatible, drop-in replacement of the MySQL® Database Server. It includes all major open source storage engines.
MariaDB is a fork to mysql wich is a SQL database type, there is no similarities in the way it works against a nosql Database like cassandra
MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need
The in-memory data store used by millions of developers as a cache, vector database, document database, streaming engine, and message broker.
Cassandra is a persistent database, Redis is meant as a distributed in-memory caching system
SQL Server delivers on Microsoft’s Data Platform vision by helping your organization manage your data by enabling you to store data from structured, semi-structured, and unstructured documents within the database.
Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API. It includes incremental map / reduce mechanics for queries and keeps data safe with an append-only datastore.
Valkey is an open source (BSD) high-performance key/value datastore that supports a variety of workloads such as caching, message queues, and can act as a primary database. Valkey can run as either a standalone daemon or in a cluster, with options for replication and high...
DiceDB is an open-source, fast, reactive, in-memory database optimized for modern hardware. Commonly used as a cache, it offers a familiar interface while enabling real-time data updates through query subscriptions.
A full-stack, syncing database that runs on both server and client. Pluggable storage (indexeddb, sqlite, durable objects), syncs over websockets, and works with your favorite framework (React, Solid, Vue, Svelte).
FerretDB (formerly MangoDB) is an open-source proxy, which converts MongoDB wire protocol queries to SQL, and uses PostgreSQL as a database engine.
Azure Cosmos DB is a NoSQL document database service designed from the ground up to natively support JSON and JavaScript directly inside the database engine. It’s the right solution for web and mobile applications when predictable throughput, low latency, and flexible query are...
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Cassandra is a NoSQL database, this one is a SQL database.