CrateDB is described as 'Open source SQL database with a ground-breaking distributed design:' and is an app in the development category. There are more than 10 alternatives to CrateDB for a variety of platforms, including Windows, Linux, Mac, BSD and Self-Hosted apps. The best CrateDB alternative is PostgreSQL, which is both free and Open Source. Other great apps like CrateDB are MySQL Community Edition, MariaDB, MongoDB and Triplit.
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.
MariaDB is a backward compatible, drop-in replacement of the MySQL® Database Server. It includes all major open source storage engines.
MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need
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).
Firebird is a relational database offering many ANSI SQL-92 features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers.
FerretDB (formerly MangoDB) is an open-source proxy, which converts MongoDB wire protocol queries to SQL, and uses PostgreSQL as a database engine.
TiDB is an open-source NewSQL database that supports Hybrid Transactional and Analytical Processing (HTAP) workloads. It's MySQL compatible and can provide horizontal scalability, strong consistency, and high availability.
Filesystem-backed document DBMS in Rust where every record is a Git-versionable JSON file with automatic cryptographic integrity for compliance-critical systems.
Spanner is a distributed SQL database management and storage service developed by Google. It provides features such as global transactions, strongly consistent reads, and automatic multi-site replication and failover.
OrbitDB is a serverless, distributed, peer-to-peer database. OrbitDB uses IPFS as its data storage and IPFS Pubsub to automatically sync databases with peers. It's an eventually consistent database that uses CRDTs for conflict-free database merges making OrbitDB an excellent...
LiteDB is an open-source, MongoDB-like database that requires no configuration and is mobile-ready. It's a serverless database delivered in a single DLL under 450kb, fully written in .NET C# managed code and compatible with .NET 4.5 and NETStandard 2.0.
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