Apps similar to YDB include SQLite, which is free and open source. Other options are PostgreSQL, MySQL Community Edition, MongoDB and MariaDB. There's no shortage of Relational Databases like YDB, with more than 50 alternatives for Linux, Windows, Mac, self-hosting and the web.
Hazelcast is an in-memory Open Source data grid based on Java. By having multiple nodes form a cluster, data is evenly distributed among the nodes. This allows for horizontal scalability both in terms of available storage space and processing power.
A NoSQL database running in a Lua application server. Tarantool combines the network programming power of Node.JS with data persitence capabilities of Redis.
NosDB is a 100% native .NET Open Source NoSQL Database (released under the Apache 2.0 License). NosDB is extremely fast and linearly scalable and allows your .NET applications to handle extreme transaction loads (XTP).
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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...
A Postgres Database as a Service platform so you can focus on writing your app, not on becoming a database administrator.
The GridGain In-Memory Data Fabric is a proven software solution, which enables high-performance transactions, real-time streaming and fast analytics in a single, comprehensive data access and processing layer.
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DB2 offers industry leading performance, scale, and reliability on your choice of platform from Linux to z/OS. DB2 supports storing XML and relational data and offers SQL PL and PL/SQL procedural languages.
IBM Cloudant is a NoSQL JSON document store that’s optimized for handling heavy workloads of concurrent reads and writes in the cloud; a workload that is typical of large, fast-growing web and mobile apps.
Clustrix is the leading scale-out SQL database engineered for the cloud. With Clustrix, you can scale transaction throughput, run real-time analytics, and simplify operations.
VoltDB is a blazingly fast NewSQL database system. It is specifically designed to run on modern scale-out architectures - fast, inexpensive servers connected via high-speed data networks.
The Starcounter database is built with the real-time systems of today in mind. Real-time systems supporting thousands or millions of simultaneous users. Systems like online stores, location-based services or banking applications.
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