Cost / License
- Freemium (Pay once)
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Raspberry Pi

Microsoft SQL Server is described as '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' and is a popular relational database in the development category. There are more than 50 alternatives to Microsoft SQL Server for a variety of platforms, including Windows, Linux, Mac, Web-based and BSD apps. The best Microsoft SQL Server alternative is SQLite, which is both free and Open Source. Other great apps like Microsoft SQL Server are PostgreSQL, MySQL Community Edition, MariaDB and MongoDB.

MaxDB is an ANSI SQL-92 (entry level) compliant relational database management system (RDBMS) from SAP AG, which was delivered also by MySQL AB from 2003 to 2007. MaxDB is targeted for large SAP environments e.g.
Actian PSQL combines a NoSQL transactional engine and a SQL relational engine to deliver a zero-DBA database platform for business applications.
MarkLogic is the only Enterprise NoSQL database, bringing all the features you need into one unified system: a document-centric, schema-agnostic, structure-aware, clustered, transactional, secure, database server with built-in search and a full suite of application services.
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.
Home of Scimore Distributed SQL database and Scimore Embedded SQL database. Both supports SQL, ACID for both DDL&DML, advanced query prioritization and multiversioning concurrency protocol, so read transactions never blocks.
SQLGate is an integrated database management and development solution that simplifies the construction and operation of databases. A solution that fits different types of databases, SQLGate is customized for seven different databases that make up 83.2% of the DBMS market.




An embedded database built on object storage. Unlike traditional LSM-tree storage engines, SlateDB writes data to object storage to provide bottomless storage capacity, high durability, and easy replication.



A Postgres Database as a Service platform so you can focus on writing your app, not on becoming a database administrator.


Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. Titan is a transactional database that can support thousands of concurrent users executing complex graph...
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.