One of the most popular alternatives to MongoDB is SQLite, which is free and open source. Other popular alternatives are PostgreSQL, MySQL Community Edition, MariaDB and Redis. Relational Databases like MongoDB are a crowded field, with more than 100 alternatives for Linux, Windows, Mac, self-hosting and the web.
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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TimesTen is a memory-optimized, relational database management system with persistence and recoverability. Originally designed and implemented at Hewlett-Packard labs in Palo Alto, California, TimesTen was spun out into a separate startup in 1996 and acquired by Oracle...
NCache is an Open Source in-memory distributed cache for .NET, Java, and Node.js. NCache provides an extremely fast and linearly scalable distributed cache that caches application data and reduces expensive database trips.
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TayzGrid is an elastic in-memory data grid with a self-healing peer to peer dynamic data grid clustering architecture. TayzGrid is extremely fast and linearly scalable data grid and provides intelligent replication for data reliability without compromising on scalability.
Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.
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Move global variables and configurations from your code repository into a dropconfig, and you can now update them without deploying your code.
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Mimer SQL is an SQL-based relational database management system from the Swedish company Mimer Information Technology AB (formerly: Upright Database Technology AB), which has been developed and produced since the 1970s.
AmberDB is a high-performance, flat-file NoSQL database engine for Perl built on top of Berkeley DB (DB_File). It combines the speed of flat-file storage with enterprise features: schema-driven multi-dimensional indexing, ACID-compliant transactions with Strict Two-Phase Locking...
RegattaDB is a distributed SQL database that unifies transactional (OLTP), analytical (OLAP), and Vectors in a single engine, with strong ACID guarantees, at scale, performance, and efficiency.
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Postgres is the endgame database. Gel supercharges it with a modern data model, graph queries, Auth & AI solutions, and much more.
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A SQLite fork that replaces the B-tree storage engine with a content-addressed prolly tree, giving Git-like version control on a SQL database. The parser, planner, and VDBE stay upstream-derived above SQLite's btree.
